** UnhandledExceptionEventHandler :: OFFICIAL LC / CHATTER THREAD ** - Page 176 - Computer Technical Help

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Page 176 of 1603

First

76 126 156 166 171 172 173 174 175 176 177 178 179 180 181 186 196 226 276 376 676 1176

Last

07-10-2012 , 01:53 PM

#4376

mindsplatter

grinder

Join Date: Aug 2005 Posts: 524

Quote:

Originally Posted by gaming_mouse

i recently read this article and found it helpful.

Interesting article thanks.

Quote

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07-10-2012 , 02:25 PM

#4377

Gullanian

Carpal \'Tunnel

Join Date: Dec 2006 Posts: 14,014

Quote:

Originally Posted by sorrow

I'm getting there (and just discovered Firebug

I'm now stuck with what events to attach too. Looks like jQuery doesn't trigger the normal dom events like "onchange"

Is this for when text in a textbox is changed? I usually stack `onkeyup` and `onkeydown` as this seems to cover all browsers when a character changes in a textbox in a way I like it to behave. It's pretty ugly but try experimenting with something like:

Code:

    <INPUT TYPE="text" NAME="field1" onkeyup="MyFunction()" onkeydown="MyFunction()">

...

<script>
    function MyFunction()
    {
        alert("changed");
    }
</script>

Quote

07-10-2012 , 04:08 PM

#4378

Freakin

bacon wannabe

Join Date: Sep 2004 Posts: 17,152

Quote:

Originally Posted by WiltOnTilt

i was just looking for something a bit more user friendly, like preconfigured login/pass/path to log, easily export/save/search/watch in real time. command line is ok just thought there might be something better

Have you used Splunk? Not exactly what you're asking for but it's incredibly powerful for log indexing and aggregation.

Free for <500MB of logs/day

Quote

07-10-2012 , 07:54 PM

#4379

sdturner02

old hand

Join Date: Jul 2010 Posts: 1,230

jQuery actually has a much better method for binding events to elements, which is the on() method.

<input type="text" id="field1">

<script>
$(function() { // wrap your code in this so it binds after DOM is ready

$("#field1").on('change', function() {
// whatever you need to do
});

});
</script>

Quote

07-10-2012 , 09:00 PM

#4380

kerowo

lolcat

Join Date: Nov 2005 Posts: 37,183

Quote:

Originally Posted by Freakin

Have you used Splunk? Not exactly what you're asking for but it's incredibly powerful for log indexing and aggregation.

Free for <500MB of logs/day

But incredibly expensive to pay for...

Quote

07-10-2012 , 11:11 PM

#4381

tyler_cracker

Carpal \'Tunnel

Join Date: Apr 2005 Posts: 15,828

yesterday's dailywtf was really good:

http://thedailywtf.com/Articles/The-...re-SHEEIT.aspx

i especially liked:

Code:

// Convert to negative number
varInt := StrToInt('-' + IntToStr(varInt));

and

Quote:

"I found this piece of code in the SDK from leading microchip vendor," Jérôme wrote, "this array is used for parsing commands arguments from their embedded command line."

Code:

static struct boolean_s boolean_table[] = {
    {"Yes", TRUE},          {"OKay", TRUE},
    {"YOUBET", TRUE},       {"True", TRUE},
    {"1", TRUE},            {"0", FALSE},
    {"ON", TRUE},           {"OFF", FALSE},
    {"No", FALSE},          {"NOWay",FALSE},
    {"False", FALSE},       {"YEAH", TRUE},
    {"YEP", TRUE},          {"NOPE", FALSE},
    {"NOT", FALSE},         {"Maybe",__TIME__[7]&1},
};

(i don't understand what's up with the case sensitivity but the fact that "maybe" is properly handled really sells it imo.)

additionally, there's a new xkcd thing:

http://what-if.xkcd.com/1/

(i'm sure everyone tracks both of these things but just in case.)

Last edited by tyler_cracker; 07-10-2012 at 11:13 PM. Reason: also GRAVEYARD OF BAD IDEAS

Quote

07-10-2012 , 11:49 PM

#4382

sorrow

old hand

Join Date: Apr 2008 Posts: 1,531

Quote:

Originally Posted by sdturner02

$("#field1").on('change', function() {
// whatever you need to do
});

});
</script>

I ended up with something pretty similar:

Code:

<script type="text/javascript">
$(document).ready( function() {
    $("#id_player1").blur( function() {
           //Stuff here.
     });
}

I didn't find on('change',...) in my travels.

Quote

07-11-2012 , 01:40 AM

#4383

fluorescenthippo

Pooh-Bah

Join Date: Apr 2005 Posts: 5,849

love that convert to negative number code

Quote

07-11-2012 , 01:41 AM

#4384

Gullanian

Carpal \'Tunnel

Join Date: Dec 2006 Posts: 14,014

It's excellent

I used to do

int pos = 3;
int neg = pos - (pos * 2);

Until someone showed me

int neg = 0 - pos;

lol

Quote

07-11-2012 , 01:51 AM

#4385

_dave_

_Pooh_Bah_

Join Date: Feb 2005 Posts: 13,154

Quote:

Originally Posted by Gullanian

It's excellent

I used to do

int pos = 3;
int neg = pos - (pos * 2);

Until someone showed me

int neg = 0 - pos;

lol

lol I did this TODAY infront of someone else over teamviewer, felt like a right ******

edit: even worse it was in excel where you can just do =-A12 instead of =A12 - (A12 * 2)

Last edited by _dave_; 07-11-2012 at 02:06 AM.

Quote

07-11-2012 , 01:59 AM

#4386

sdturner02

old hand

Join Date: Jul 2010 Posts: 1,230

Quote:

Originally Posted by sorrow

I ended up with something pretty similar:

I didn't find on('change',...) in my travels.

http://api.jquery.com/change/

Quote

07-11-2012 , 02:01 AM

#4387

sorrow

old hand

Join Date: Apr 2008 Posts: 1,531

Anyone interested in developing a 'Leagues Management' application?

I'm looking to create something to manage and record 8-ball, 9-ball leagues and tournaments.

I've got something rudimentary put together at the moment, and i'm planning on releasing it as open source at some point.

Figured someone here might be interested.

Quote

07-11-2012 , 07:45 AM

#4388

clowntable

Carpal \'Tunnel

Join Date: Jun 2006 Posts: 45,557

Whoever in here has the new MBP...any chance you tested Linux on it? Yay or nay as a devel-machine with Linux, max resolution etc?

Quote

07-11-2012 , 08:16 AM

#4389

kerowo

lolcat

Join Date: Nov 2005 Posts: 37,183

Haven't put Linux on it but it is the first computer I've had in a long time noticeably faster than my previous computer.

Quote

07-11-2012 , 12:08 PM

#4390

Neko

Pooh-Bah

Join Date: Jul 2005 Posts: 4,000

This is still a WTF. - is a unary operator in pretty much every language!

Edit: @Gull

Quote

07-11-2012 , 12:15 PM

#4391

Gullanian

Carpal \'Tunnel

Join Date: Dec 2006 Posts: 14,014

Quote:

Originally Posted by _dave_

lol I did this TODAY infront of someone else over teamviewer, felt like a right ******

edit: even worse it was in excel where you can just do =-A12 instead of =A12 - (A12 * 2)

It's bad because if n is really big the n*2 can overflow lol

I'm tempted to make a joke website listing algorithms of how to turn a positive number into a negative in as many hilarious ways as possible

@Neko do you mean the 0 is redundant? I still would want to use it as to me it just reads better and is clearer what you are doing

Quote

07-11-2012 , 12:16 PM

#4392

tyler_cracker

Carpal \'Tunnel

Join Date: Apr 2005 Posts: 15,828

furthermore i think '-1 * foo' is faster than '0 - foo' on just about every processor.

Quote

07-11-2012 , 12:32 PM

#4393

Gullanian

Carpal \'Tunnel

Join Date: Dec 2006 Posts: 14,014

There's no fixed speed for a command or set of commands I've heard, also the speed of single commands can be influenced by the commands around it (for example CPU pipelining), so that would be pretty meaningless to measure I think!

Quote

07-11-2012 , 12:36 PM

#4394

tyler_cracker

Carpal \'Tunnel

Join Date: Apr 2005 Posts: 15,828

gull,

ok, don't take my word for it. go write some code and look at the generated assembly and let me know how often SUB is used vs MUL.

if you mean that the compiler will optimize the subtraction form into the multiplication form, then i guess that's true, but it's not what i was talking about.

also, claiming that your dumbass way of doing things is ok because the compiler will fix it is not getting you any points from me during an interview

Last edited by tyler_cracker; 07-11-2012 at 12:38 PM. Reason: well, more points than 'i dunno lol' or 'football!!!!!!!!'

Quote

07-11-2012 , 01:03 PM

#4395

NoahSD

Is Right

Join Date: Aug 2005 Posts: 18,843

I realize that this is a vague question, but are there downsides to getting/is it silly to get an Android phone and a MBP? I'm used to Android, and I like it, but I wanna switch to Mac for my comp because holy **** my computers keep falling apart.

Quote

07-11-2012 , 01:18 PM

#4396

NoahSD

Is Right

Join Date: Aug 2005 Posts: 18,843

Quote:

Originally Posted by Gullanian

Eh. You might be right, but I sorta doubt that the answer to the simple question of "Which is faster in assembly, -1 * x or 0 - x?" is "it depends on what's around it. It might depend on type, though.

Quote

07-11-2012 , 01:21 PM

#4397

sng_jason

grinder

Join Date: Jul 2011 Posts: 436

you guys are all weirdos...

the compiler/processor will use neither subtraction nor multiplication to negate a number

for an integer you just use the "neg" instruction (on x86 for sure) or take 2s compliment and add 1

for floating point, you xor the sign bit

EDIT: and +1 on what Neko said... unitary minus! writing 0-x or -1*x are both silly

Last edited by sng_jason; 07-11-2012 at 01:31 PM.

Quote

07-11-2012 , 01:34 PM

#4398

Gullanian

Carpal \'Tunnel

Join Date: Dec 2006 Posts: 14,014

Quote:

Originally Posted by tyler_cracker

also, claiming that your dumbass way of doing things is ok because the compiler will fix it is not getting you any points from me during an interview

bit harsh lol

0 - foo

seems 100% fine to me because it's clear I'm negating a number

-1 * foo

Is an optimisation with benefits that are completely negliable, or even compiles exactly the same. Also to me with 0 - foo it's a lot easier to understand my intent.

If I fail an interview on the fact that I do 0 - foo because they consider that practise lazy for relying on the compiler too much, good luck to them, I don't think I'd want to work there anyway!

Quote

07-11-2012 , 02:01 PM

#4399

clowntable

Carpal \'Tunnel

Join Date: Jun 2006 Posts: 45,557

-1*foo seems more readable to me

Quote

07-11-2012 , 02:47 PM

#4400

kerowo

lolcat

Join Date: Nov 2005 Posts: 37,183

Quote:

Originally Posted by NoahSD

I had a droid phone when I was in Australia with my MBPs and couldn't figure out to do anything with the phone connected to the computer. Granted, I spent about a minute on it before stopping. Shouldn't be any downsides to using a droid on a MBP, probably some hoops to jump through to get media from one to the other though.

Last edited by kerowo; 07-11-2012 at 02:48 PM. Reason: Well, that and the damage done to your immortal soul...