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How to define a two-dimensional array?
...ix[0][6] = 3 # valid
Note that the matrix is "y" address major, in other words, the "y index" comes before the "x index".
print Matrix[0][0] # prints 1
x, y = 0, 6
print Matrix[x][y] # prints 3; be careful with indexing!
Although you can name them as you wish, I look at it this way to avoid s...
Check number of arguments passed to a Bash script
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fi
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When in Bash, prefer using [[ ]] instead as it doesn't do word splitting and pathname expansion to its variables that quoting may not be necessary unless it's part of an expression.
[[ $# -ne 1 ]]
It also has some other features like unquoted condition grouping, pattern matching (e...
Will Google Android ever support .NET? [closed]
...led dx. This tool converts Java bytecode into Dalvik bytecode, so in other words, you can run programs written in Java on Android with no effort today. Now the same tool is needed for .NET.
Considering how similar .NET and Java are, it's really a matter of time.
ddimitrov wrote:
The .Net-&...
What does “dereferencing” a pointer mean?
...alue surely is an address, that's how it "points" to a memory address. The word "object" in our OOPdriven world can be misleading, because it can be interpreted as "class instance" (yep, I was not aware that the question is labeled [C] and not [C++]), and I used the word "primitive" as in the opposi...
Show the progress of a Python multiprocessing pool imap_unordered call?
...orks fine on my system (Ubuntu) with both Python 2 and 3. I've used def do_word(*a): time.sleep(.1) as an example. If it doesn't work for you then create a complete minimal code example which demonstrates your issue: describe using words what do you expect to happen and what happens instead, mention...
Is there a literal notation for an array of symbols?
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%s[ ] Non-interpolated Symbol
%w[ ] Non-interpolated Array of words, separated by whitespace
%W[ ] Interpolated Array of words, separated by whitespace
%x[ ] Interpolated shell command
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What is the difference between single and double quotes in SQL?
..., but it's not recommended practice for a column alias to be more than one word.
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How do you get assembler output from C/C++ source in gcc?
...syntax into the more readable nasm syntax:
#!/usr/bin/perl -w
$ptr='(BYTE|WORD|DWORD|QWORD|XMMWORD) PTR ';
$reg='(?:[er]?(?:[abcd]x|[sd]i|[sb]p)|[abcd][hl]|r1?[0-589][dwb]?|mm[0-7]|xmm1?[0-9])';
open FH, '-|', '/usr/bin/objdump', '-w', '-M', 'intel', @ARGV or die;
$prev = "";
while(<FH>){
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How do I split a string with multiple separators in javascript?
...our RegEx means "1 or more")
This means "+" and "{1,}" are the same.
var words = text.split(/[ .:;?!~,`"&|()<>{}\[\]\r\n/\\]+/); // note ' and - are kept
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Passing base64 encoded strings in URL
...lus signs are converted to a SPACE inside the $_GET global array. In other words, if you sent test.php?myVar=stringwith+sign to
//test.php
print $_GET['myVar'];
the result would be:
stringwith sign
The easy way to solve this is to simply urlencode() your base64 string before adding it to the que...