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Resize HTML5 canvas to fit window
...itle>
<script type="text/javascript">
function resize_canvas(){
canvas = document.getElementById("canvas");
if (canvas.width < window.innerWidth)
{
canvas.width = window.innerWidth;
}
if (canvas.h...
How does a public key verify a signature?
...autl -encrypt -inkey public.pem -pubin -in message.txt -out message_enc_pub.ssl
openssl rsautl -decrypt -inkey private.pem -in message_enc_pub.ssl -out message_pub.txt
xxd message_enc_pub.ssl # Print the binary contents of the encrypted message
cat message_pub.txt # Print the decrypted...
How to use background thread in swift?
...er block")
}
}
Swift 1.2 through 2.3
let qualityOfServiceClass = QOS_CLASS_BACKGROUND
let backgroundQueue = dispatch_get_global_queue(qualityOfServiceClass, 0)
dispatch_async(backgroundQueue, {
print("This is run on the background queue")
dispatch_async(dispatch_get_main_queue(), { (...
Simplest way to profile a PHP script
...
The PECL APD extension is used as follows:
<?php
apd_set_pprof_trace();
//rest of the script
?>
After, parse the generated file using pprofp.
Example output:
Trace for /home/dan/testapd.php
Total Elapsed Time = 0.00
Total System Time = 0.00
Total User Time = 0.00
...
UINavigationController without navigation bar?
... edited Apr 9 at 15:30
iluvatar_GR
7561010 silver badges1818 bronze badges
answered Apr 23 '11 at 18:14
Ashwi...
Versioning SQL Server database
...hema from version N to N+1. (These go in your version control system.) A _version_history_ table, something like
create table VersionHistory (
Version int primary key,
UpgradeStart datetime not null,
UpgradeEnd datetime
);
gets a new entry every time an upgrade script runs which...
Colorizing text in the console with C++
...d a little Color to your Console Text
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
// you can loop k higher to see more color choices
for(int k = 1; k < 255; k++)
{
// pick the colorattribute k you want
SetConsoleTextAttribute(hConsole, k);
cout << k << " I ...
Place cursor at the end of text in EditText
...urrent ediitext value itself and call append();
myedittext.append("current_this_edittext_string");
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How do I use InputFilter to limit characters in an EditText in Android?
...equence(start, end).toString(); return replacement.replaceAll("[^A-Za-z0-9_\\-@]", "");
– Splash
Aug 21 '13 at 17:44
...
How to stop /#/ in browser with react-router?
... get rid of this query param at the end? http://localhost:8080/#/dashboard?_k=yqwtyu
– Con Antonakos
Mar 17 '16 at 2:40
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