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STUPID QUESTIONS THREAD

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Thread replies: 108
Thread images: 17

File: Signetics_NE555N.jpg (494KB, 800x600px) Image search: [Google]
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What is the cheapest way to do something all alarm clocks have: power some leds after a button was pressed for like 5 seconds? Pic related seems to be the way to go, but what capacitors and resistors would I need so it would be powered for 5 seconds after the button being pressed?
>>
What's the shortest you can make this? I'm sure there's a way to make it a single ternary but my brain isn't working today

 var rowExtraClass = (DataFirst ? ((model.Data.Count) % 2 == 0 ? "debug-entry-even" : "debug-entry-odd") : "debug-entry-even");
>>
>>45647046
Just so we're in the same page, you are doing this right?
if (DataFirst)
rowExtraClass="debug-entry-odd";
else
if (isEven(model.Data.Count))
rowExtraClass="debug-entry-even";
else
rowExtraClass="debug-entry-odd";

Looks like the only circumstance in which you set the var to "even" is if both conditions are true. So:
var rowExtraClass = (DataFirst && m.D.C%2==0?) "debug-entry-even" : "debug-entry-odd";
>>
>>45647046
>>45647187
nope i'm wrong
if Data First is true then there's a chance that it's even or odd, else it's definitely even
you are making two decisions so you need two statements (or a compound statement like you had) i think
>>
google monostable multivibrator calculator 555
>>
Whats going to use more power?
HW accel on or HW accel off? im only going to be on the desktop.
Reason i ask is because im on a thinkpad with shit battery life.
>>
There's an electric noise coming from my computer but I can't tell what exactly. It doesn't sound like coil whine since all the videos I've heard it in has the pitch varying and this is a constant noise.

It's almost inaudible, but if you try to listen to it you'll hear it and it's annoying.

Any idea what it could be?
>>
>>45647617
Now this is pod racing
>>
What the fuck is this.

http://pastebin.com/raw.php?i=pa5q2s4f
>>
Please use the standard stupid questions thread pic because I almost missed this one.

Anyways, how does peer to peer actually work? If I wanted to make an application that worked peer to peer where would I start?
>>
>>45647834
ctrl+f, stupid
>>
>>45647839
I bet you use weebo pics for programming threads too.
>>
what's an open source alternative to matlab, preferably something with high-level math libraries already available? don't really want to reinvent the fft if I don't have to
>>
>>45647803
What you get for using lubuntu.
>>
>>45647852
what
>>
>>45647874
Hello newfriend.
>>
>>45647839
4chan.org/g/stupid
>>
>>45647917
I'm not new, I'm wondering how the hell you're comparing my advice to anime
>>
How do I copy MiniDV tapes to my computer?
>>
>>45647934
looks like he misquoted
now he looks st0pid
>>
>>45647934
Because some faggots in the general programming threads sometimes decide to use autistic chinese cartoon pictures for the OP. Just like this faggot OP decided to use some sort of fucking PIC microcontroller for a stupid questions thread. Go back to /v/ or /diy/

>>45647934
>>45647953
samefag
>>
>>45648008
Alright? When you're done making a fool out of yourself let me know.
>>
>>45648019
go away
>>
>>45648008
come on, try harder than that
the 555 is a very popular IC
>>
>>45648019
>you're right but I'm not listening LALALALALALA
>>
>>45648055
see
>>45648019
>>
ITT /g/ doesn't know anything about electronics.
>>
>>45648067
see
>>45648055
>>
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Who decided to use a different picture for the general questions thread?
>>
>>45648111
probably someone new to the board with a question
>>
>>45648111
some faggot
we need Dwight
>>
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I have two network cards one that is for my home computer and the other that is bridged to a vm that hosts my webserver. I am trying to forward port 22 home and port 80 to my VM. My website is functioning fine but ssh will not forward home. My router is only recognizing one IPaddress but two entries of it. If I refresh that page it will display two entries of the other IPaddress and will oscillate each time I refresh.

eth0      Link encap:Ethernet  HWaddr 52:54:00:8f:1f:27  
inet addr:192.168.0.11 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::210:18ff:fe61:6e19/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:164818 errors:0 dropped:0 overruns:0 frame:0
TX packets:143655 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:37024658 (35.3 MiB) TX bytes:199200902 (189.9 MiB)
Interrupt:16

eth1 Link encap:Ethernet HWaddr 78:e7:d1:d3:00:d8
inet addr:192.168.0.4 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::7ae7:d1ff:fed3:d8/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:64414947 errors:0 dropped:0 overruns:0 frame:0
TX packets:63389585 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:48539433449 (45.2 GiB) TX bytes:49891584205 (46.4 GiB)
Interrupt:17
>>
>>45646957
What exactly does
!= null

do in this case:
boolean foo = request.getParameter("foo") != null;
>>
>>45648251
I that case it means that your request Parameter is not empty.

!= null means "not equal" null, ei the request parameter is not null.
>>
>>45648251
If the returned value from getParameter is true, then make
 boolean foo = true; 
>>
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what are the differences between these apple chargers?

which is better and why is it better?
>>
>>45648008
>Because some faggots in the general programming threads sometimes decide to use autistic chinese cartoon pictures for the OP. Just like this faggot OP decided to use some sort of fucking PIC microcontroller for a stupid questions thread. Go back to /v/ or /diy/

What. I think you are the only one who is autistic here.
>>
>>45648314
>Buying an apple charger
>>
I'm using cyanogenmod and I recently noticed something is using my GPS constantly. How can I find out what app is doing it?
>>
What docking station does /g/ use? I need one for two SATA HDDs and all the double ones I've seen only allow a single SATA and a single IDE at once.
>>
>>45646957
good mp3 player?
>>
BIOS reads all 8GB of RAM, Speccy says only 7.

2x4GB kit.

What the hell?
>>
>>45647803
"which parallel" should be a valid path, if not you have bigger issues to fix.
>>
>>45648565
7GB exactly? or is it 7.something? guessing there's reserved space somewhere
what does windows say? (win+pause/break)
>>
>>45648584
I literally just install lubuntu and ran that command. I have no idea.
>>
>>45648618
Ubuntu 14.04 here, "which parallel" gives /usr/bin/parallel and parallel runs (but ignores all CLI options and sticks me at a terminal input........)
>>
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What's the cheapest Android tablet that can play Hearthstone really well?
>>
>>45646957
when you create a SQT you don't ask a question morron. Once it's created you can ask. Else you just look like a retard with a non related picture, and you don't bother describing what is this thread about, a link to the previous thread....
meeh fuck you OP
>>
>>45648789
this nigga knows, these threads need dwight
>>
>>45648008
>what is 555

Seriously, what are you even doing on this board
>>
File: dwight_schrute_sweat.png (607KB, 610x630px) Image search: [Google]
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>>45648789
>>45648800

Then do it properly next time faggots.
>>
Guy who actually began the tradition of stupid questions threads on /g/ about 2 years ago, I don't give a fuck if you use that faggot's pic with the glasses, I started out using random tech pics.
Use whatever the fuck you like, OP has the right idea. And if you're too stupid to ctrl+f 'stupid', then fuck off.
>>
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I got a £10 google play voucher that expires in 5 hours what should I get?
>>
me again >>45648853

>>45648789
Fuck off, you ask the question in the OP, that's how we've always done it you stupid newfuck, learn our ways or fuck off back to reddit
>>
>>45648853
you don't even have to do strg+f anymore 4chan.org/g/stupid
>>
I'm upgrading my graphics card to a 970 from a 570 and from what I understand they will use the same Nvidia drivers. Does this mean all I will have to do is replace my 570 and boot up and everything will work alright? or do I have to uninstall the drivers completely and reinstall again?
>>
>>45648859
only thing worth buying is vidya or apps that do extra hard copy protection like phoning home type shit

I recommend VGBA the motherfuck who coded that knew how to stop pirates

or just buy some video games
>>
>>45648875
I know you don't, there are various ways, but I mentioned the most common. I don't like using the link method because it makes the linkified version appear in Chrome's homepage and that's annoying.
>>
>>45646957
http://lmgtfy.com/?q=simple+electronic+timer

It's like you didn't even try...
>>
so is there anything special I need for RAM?
seems to be a lot of choices out there. Currently have 4 gigs of ddr3
>>
Do I get a gtx 970 gaming or a radeon r9 290x and whats the difference. I read 290x is good if you wanna keep warm during winter.
>>
What is the airspeed velocity of an unladen swallow?
>>
If my laptop includes an Intel Integrated GPU and a dedicated NVidia one, can I tweak it to use both while gaming instead of only one? After doing a bit of googlan, i've found it's most likely mobo related. How can I see if my mobo supports it? I'm on a thinkpad e530 h8 m8
>>
File: 1417625530703.jpg (259KB, 1280x1280px) Image search: [Google]
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Hello /g/

The Ram on my system has died and I am looking for a replacement, this is an older system so top tier performance is really not required, I would much rather prefer price over performance so a single 1x4GB is fine.

Specs:

Asus M5A78L-M/USB3
AMD 630 x4 @ 2.8GHz
550w PSU
1TB HDD

I was looking at this but to be honest I am unsure if this will work and if this is a good choice for price/performance:

Corsair CMZ4GX3M1A1600C9


Any help is greatly appreciated
>>
>>45648565
8GB != 8GiB
>>
>>45649131

Forgot to mention GPU is a 7850 2GB
>>
>>45649131
If it's for gaming just get the one with lower frequency doesnt matter. Get a kingston hyperx or what you got is fine
>>
There's a bunch of software I want to run on system startup (F.lux, for example) (windows 7)
Since I used SpyHunter most of the applications that used to start at startup no longer do so.
I check msconfig > startup and everything looks like it used to.
How to fix? Is this a registry thing, maybe?
>>
File: Penguins.jpg (760KB, 1024x768px) Image search: [Google]
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>>45646957
Is there a high demand programming language that can get me a summer job as a code monkey?

I know Python, a tad of C and am currently learning Java.

I don't know any algorithms but I can write a prime check function and FizzBuzz.

I have an Associates Degree in Liberal Arts, want to go back to school for comp sci next year.
>>
>>45649241
>liberal arts
Why would you do this to yourself?
>>
how to resize the mpv window to the original size on windows?
its command + 1 on mac
>>
HP 120W charger makes a clicking noise while in use. My 90W doesn't do this. Is it arcing internally or something?
>>
>>45649269
I was in high school. I didn't fucking know it would be better to learn calculus than take a level 400 english class. I thought I was smart.
>>
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My routers wired ports are not getting the advertised d/l speeds. Not even half. Would switching firmware to dd-wrt improve wired performance?

I have tested my speeds with direct connection and it's much higher than with the router.
>>
>>45648993
>>45647370

Thanks
>>
Does anyone know a firefox addon that lets you preserve (or lock) a cookie?

I have my browser set to clear all history/cookies on exit but I want to save my steam cookie as it prevents me having to fuck around with Steam Guard bullshit passcodes.
>>
>>45647702
Might be the speaker alarming you somethings wrong
>>
Did Mozilla quit making nightly for android?
I can only seem to find aurora and x86 builds
>>
Best resource to learn Linux command line?
I have a server with Debian installed and I'd like to know, at least, the basics.
>>
File: SHIT.png (34KB, 800x596px) Image search: [Google]
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>>45648600

It says 8GB, but 6.94 usable. I've never seen this shit before.

And I just flashed the BIOS, too.

pic related

>>45649151

No.
>>
>>45649645
that's strange
do you have a live cd handy? I'd run memtest just to be sure
>>
>>45649645
Are you using the on-board graphics chip? If so, that's where that RAM has gone.
>>
File: Fedora.jpg (32KB, 466x382px) Image search: [Google]
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I have raspberry pi as a owncloud server.
so far so good but it's saving files on to the SD card.
How can I change it so it would save everything to external USB storage?
Im not very good with this.
I know you're there loonix wizurds.
>>
>>45649676
That's a trilby m8
>>
may have just figured it out, gigantor

look through your bios and see if you have memory reamp disabled, try enabling it
>>
>>45649686
Don't tell me I have to re-install this whole shit.
>>
I might get an argument here, but, what's the best mouse under $80?
>>
Question:
>>45649645 has 12 compute cores
if i were to get that processor, but use a dedicated graphics card, would the 8 compute cores even matter?

i already have an Radeon 6970 2gb

i was planning on buying the Athlon x4 860k, but if there is an benefit, i'd go for an A10
>>
>>45649667

Ha, you're right. I checked my HTPC and it's doing the same thing.

I guess I posted this in the right thread.
>>
>>45649758

Yeah, you can crossfire an APU with a GPU.

Not sure about that exact one, though.
>>
File: msdn_new_logo.png (22KB, 400x300px) Image search: [Google]
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Is there any way around logging in on MSDN website to download stuff?
I just need to download one ISO from them but got no subscription. No need for the key, just ISO.
>>
>>45649779
Well, i was just wondering about those compute cores
the 6970 cant be crossfired

i dont know what those compute cores are, first time ive heard of them
if it weould give an A series apu an advantage over the Athlon, i'd get that
>>
File: 85541151691.jpg (35KB, 278x278px) Image search: [Google]
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>>45649797
>>
I had to change extensions from mayhem's to ccd0's with the new captcha. Importing settings was fine and it wasn't hard to change some settings to better suit my browsing.

The biggest change I don't like (aside from most of the icons) is that I can't seem to rename files for posting. Is there an option to do this and I've just missed it?
>>
>>45649819

To answer your question, the 8GPU compute cores are like the same thing on a dedicated GPU. Each core is equivalent to 64 stream processors for a total of 512.

The 860K is just a 7850K with those 8 cores disabled. So unless you were going to crossfire, then they are useless to you.

Unless of course you mean if you could use them for non crossfire computing relating tasks like OpenCL rendering or something, in which case I'm not sure, but that sounds like some advanced wizardry.
>>
Should I buy a gtx970 now or are new cards just around the corner?
>>
>>45650034
There are always new cards around the corner. Just buy whenever you feel like it.
>>
>>45650043
neat. Think I could sell my old radeon 5870?
>>
So I have a 6-year-old HDD with a stupidly high cycle count, still works. Is it time to retire the runner?
>>
>>45649974
>Unless of course you mean if you could use them for non crossfire computing relating tasks like OpenCL rendering or something, in which case I'm not sure, but that sounds like some advanced wizardry.
i have no clue
im still researching on google right now

i do not plan on crossfire, just one dedicated GPU

>>45650157
does it still werk?
no bad sectors?
then why not
>>
>>45649950
Control+click
>>
File: thanks anon.png (735KB, 750x850px) Image search: [Google]
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>>45650228
>>
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Anyone using Awesome with 2 monitors know what might be causing this screen tearing?

Only happens when the workspaces on the second monitor are both being used and I switch between them, even happens whilst using the default rc.lua file. Re-generated my xorg.conf file using nvidia-settings and it's still happening so I'm out of ideas and can't find anything about it on google.
>>
>>45650390
Free GPU driver or non-free GPU driver?
>>
What's the best software to mount iso's in windows?
>>
>>45650419
nvidia-settings is part of the non-free driver
>>
What kind of issues would case certain internet connections to drop unless done repeatedly in short timespan? Because this is happening in similar ways in various devices of my home network.
I'm guessing router/modem firewall, but even with those deactivated it still happens.
>>
>>45650455
bad lan port?
virus?

my onboard lan card wouldnt give me more then 1mb download, i bought a pci card, now i have 11mb average
Thread posts: 108
Thread images: 17


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