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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>){
...
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 $_GET['myVar'];
the result would be:
stringwith sign
The easy way to solve this is to simply urlencode() your base64 string before adding it to the que...
Most efficient way to concatenate strings?
...it has been proved that string.Concat() is the best way to approach if the words are less than 1000(approximately) and if the words are more than 1000 then StringBuilder should be used.
For more information, check this site.
string.Join() vs string.Concat()
The string.Concat method here i...
Check if database exists in PostgreSQL using shell
...
template0
template1
grep -w matches whole words, and so won't match if you are searching for temp in this scenario. The -q option suppresses any output written to the screen, so if you want to run this interactively at a command prompt you may with to exclude the -q ...
In C#, what is the difference between public, private, protected, and having no access modifier?
...one difference: a static class cannot be externally instantiated. In other words, you cannot use the new keyword to create a variable of the class type. Because there is no instance variable, you access the members of a static class by using the class name itself.
However, there is a such thing as a...
position: fixed doesn't work on iPad and iPhone
...page. This is how iOS works.
Now there is a sheet of clear plastic with a word on it, this sheet of plastic stays stationary no matter what (the position:fixed elements). So when you move the magnifying glass the fixed element appears to move.
Alternatively, instead of moving the magnifying glass,...
How do I get bash completion to work with aliases?
...amespace}${alias_name}"
eval "
function ${wrapper_name}() {
let COMP_CWORD+=$num_alias_arguments
args=( \"${alias_arguments}\" )
COMP_WORDS=( $aliased_command \${args[@]} \${COMP_WORDS[@]:1} )
$completion_function
}
"
# To create the new completion we use the old one with two
# rep...
How do you get the logical xor of two variables in Python?
...back True while True + True + False + True == 1 gives back False. In other words, the answer here doesn't generalize correctly; for it to do so, you need to do additional work. Meanwhile a simple True ^ True ^ False ^ True works as expected.
– jpmc26
Aug 13 '15...
Manually map column names with class properties
...
I love how the word "easily" is thrown around so effortlessly :P
– Jonathan B.
Jul 22 '18 at 21:49
...