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C pointers : pointing to an array of fixed size
...ly, this is not possible when declaring a pointer like this in C. In other words, the C standard (6.7.3 - Paragraph 8) is at odds with something like this:
int array[9];
const int (* p2)[9] = &array; /* Not legal unless array is const as well */
This constraint does not seem to be pr...
Sanitizing strings to make them URL and filename safe?
...his is the locale of the server or client. From the PHP docs:
A "word" character is any letter or digit or the underscore character, that is, any character which can be part of a Perl "word". The definition of letters and digits is controlled by PCRE's character tables, and may vary if loc...
Match multiline text using regular expression
...ls as it tries to match the whole string but it can't as \\W matches a non word character, ie [^a-zA-Z0-9_] and the first character is T, a word character.
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What is the difference between NTFS Junction Points and Symbolic Links?
...hnically, a Junction is a "symbolic link" in the more general sense of the word, and sometimes documentation might call a Junction a symbolic link, as is the case here. In such cases, "symbolic link" does not mean NTFS Symbolic Link which is different than a junction (see below).
NTFS
Even though ...
How to pass arguments and redirect stdin from a file to program run in gdb?
...tion, Inc.
.................................................
Type "apropos word" to search for commands related to "word"...
Reading symbols from projectExecutablename...done.
(gdb)
Before you start your program running, you want to set up your breakpoints. The break command allows you to do so. T...
Is it possible to decrypt MD5 hashes?
...without trying out 2128 possible input strings. And the fact that most passwords are short, and people often use common values (like "password" or "secret") means that in some cases, you can make a reasonably good guess at someone's password by Googling for the hash or using a Rainbow table. That is...
Generate a random point within a circle (uniformly)
...ows that the number of random points should grow linearly with r. In other words, the desired probability density function (PDF) grows linearly. Since a PDF should have an area equal to 1 and the maximum radius is 1, we have
So we know how the desired density of o...
Passing arrays as parameters in bash
... you wrote this answer, and that you accepted the bad answer. That's why I worded it that way. The reason the accepted answer is bad is because it is trying to pass array by reference, which is something you should really avoid. In addition, the example mashes multiple arguments into a single string...
Can you explain the concept of streams?
...
The word "stream" has been chosen because it represents (in real life) a very similar meaning to what we want to convey when we use it.
Let's forget about the backing store for a little, and start thinking about the analogy to a...
Android ImageView Zoom-in and Zoom-Out
...dth is smaller than the views width
//in other words if the image width fits in the view
//limit left and right movement
if (scaleWidth < width)
{
deltaX...