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Difference between core and processor
... @Nrj, if you run one single-threaded application, it will be allocated to a single core, and activate only a single HW thread on it. That thread will be able to utilize 100% of that core as there is no other thread running along with it. If you activate another application it will usua...
Replace a string in shell script using a variable
... $replace outside of any quotes will cause the shell to perform whitespace tokenization and wildcard expansion on the value. This will appear to work with simple values, but could blow up dramatically on nontrivial strings. Don't use this in production code.
– tripleee
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How do I get the fragment identifier (value after hash #) from a URL?
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You may do it by using following code:
var url = "www.site.com/index.php#hello";
var hash = url.substring(url.indexOf('#')+1);
alert(hash);
SEE DEMO
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Eclipse doesn't highlight references anymore
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works for PHP too if you go to window -> preferences -> php -> editor -> mark occurences
– max4ever
Sep 28 '11 at 15:31
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How does MongoDB sort records when no sort order is specified?
...kloads it is desirable for the storage engine to try to reuse available preallocated space and make decisions about how to most efficiently store data on disk and in memory.
Without any query criteria, results will be returned by the storage engine in natural order (aka in the order they are found)...
How do you comment out code in PowerShell?
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It's the #.
See PowerShell - Special Characters And Tokens for special characters.
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SVN needs-lock 设置强制只读属性（官方资料） - 更多技术 - 清泛网 - 专注...
... TEMP=c:\temp
if exist %TEMP%\tempfile%2 del %TEMP%\tempfile%2
for /f "tokens=1,2 usebackq" %%i in (`%SVNLOOK% changed -t %2 %1`) do @if %%i==A @echo %%j >> %TEMP%\tempfile%2
if not exist %TEMP%\tempfile%2 goto NOFILESADDED
for /f "usebackq" %%i in (`findstr /E /I /R "\.bmp.$ \.gif.$ \.ico...
How to get all columns' names for all the tables in MySQL?
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<?php
$table = 'orders';
$query = "SHOW COLUMNS FROM $table";
if($output = mysql_query($query)):
$columns = array();
while($result = mysql_fetch_assoc($output)):
$...
Which mime type should I use for mp3
...g to decide which mime type to choose for returning mp3 data (served up by php)
5 Answers
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Try catch statements in C
... a number of down sides (but is a fun mental exercise):
It will not free allocated memory as there are no deconstructors being called.
You can't have more than 1 try/catch in a scope (no nesting)
You can't actually throw exceptions or other data like in C++
Not thread safe at all
You are setting u...