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Realistic usage of the C99 'restrict' keyword?
... "memset(p1,4,50); memset(p2,9,50);". Restrict is vastly superior to type-based aliasing; it's a shame compilers focus more on the latter.
– supercat
Mar 9 '16 at 0:14
3
...
How does this giant regex work?
...\x65\x36\x34\x5F\x64\x65\x63\x6F\x64\x65\x28
is acutally:
eval(gzinflate(base64_decode(
This is the code will print out the source code for this backdoor. However i would not execute the resulting PHP code, unless it is on a disposable virtual machine.
<?php
print gzinflate(base64_decode(...
how to draw smooth curve through N points using javascript HTML5 canvas?
... c1, c2, c3, c4, // cardinal points
st, t, i; // steps based on num. of segments
// clone array so we don't change the original
//
_pts = pts.slice(0);
// The algorithm require a previous and next point to the actual point array.
// Check if we will draw clo...
What's the meaning of exception code “EXC_I386_GPFLT”?
...s (in other words, the top 16 bits of an address should all be 0 or all 1, based on the bit just below 16 bits). This rule is in place to guarantee that the architecture can "safely expand the number of valid bits in the address range". This would indicate that the code is either overwriting some po...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...at least 32 bits (2^31-1 on either side of zero) and long long is at least 64 (2^63-1 on either side).
– chris
Sep 24 '13 at 1:55
2
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Detect URLs in text with JavaScript
...
Based on Crescent Fresh answer
if you want to detect links with http:// OR without http:// and by www. you can use the following
function urlify(text) {
var urlRegex = /(((https?:\/\/)|(www\.))[^\s]+)/g;
//var urlRe...
Android Studio installation on Windows 7 fails, no JDK found
...
+1 This MOSTLY worked for me. I am running 64 bit windows and JDK 1.7.0. I tried adding both JDK_HOME and JAVA_HOME with "c:\Program Files\Java\jdk1.7.0\". It still would not load. However, I capitalized the "C" and removed the trailing slash and it works now: "C:\Pr...
How to find the JVM version from a program?
...e element of the runtime version
java.vm.name "OpenJDK 64-Bit Server VM" "Java HotSpot(TM) 64-Bit Server VM" "Java HotSpot(TM) 64-Bit Server VM" Java Virtual Machine implementation name
java.vm.vendor "Oracle Corporation" ...
Can pandas automatically recognize dates?
...r
non-standard datetime parsing, use pd.to_datetime after pd.read_csv.
Demo:
>>> D = {'date': '2013-6-4'}
>>> df = pd.DataFrame(D, index=[0])
>>> df
date
0 2013-6-4
>>> df.dtypes
date object
dtype: object
>>> df['date'] = pd.to_datetime(df...
Accessing JPEG EXIF rotation data in JavaScript on the client side
I'd like to rotate photos based on their original rotation, as set by the camera in JPEG EXIF image data. The trick is that all this should happen in the browser, using JavaScript and <canvas> .
...