大约有 40,000 项符合查询结果（耗时：0.0462秒） [XML]
node.js shell command execution
...s = require('sys')
var exec = require('child_process').exec;
function puts(error, stdout, stderr) { sys.puts(stdout) }
exec("ls -la", puts);
it works perfectly. :)
share
|
improve this answer
...
PHP memory profiling
...o work? I tried to put memprof_enable into my PHP code and I get PHP Fatal error: Uncaught Error: Call to undefined function memprof_enable(). I did gperftools make install from current source code of them.
– Andrey Pokhilko
Sep 28 '16 at 16:28
...
How to detect if a script is being sourced
...ed.
If return is used in the top-level scope of a non-sourced script, an error message is emitted, and the exit code is set to 1.
(return 0 2>/dev/null) executes return in a subshell and suppresses the error message; afterwards the exit code indicates whether the script was sourced (0) or not ...
Return value in a Bash function
... an exit code of 0 is considered success and therefore "true". Non-zero is error and therefore false. Think of fun1 || fun2 as shorthand for "if fun1 returns success or fun2 returns success" rather than an operator on the actual return values themselves.
– davidA
...
How do you display code snippets in MS Word preserving format and syntax highlighting?
... from the rest of the document, as if it was a picture or a chart
spelling errors won't be highlighted in the code (this is cool !)
And it takes only few seconds.
share
|
improve this answer
...
What is SQL injection? [duplicate]
... an accident. But accidental SQL injection is more likely to result in an error than in a vulnerability.
The harmful content doesn't have to come from a user, it could be content that your application gets from any source, or even generates itself in code.
How does it cause vulnerabilities?
It ...
How to add calendar events in Android?
...n to avoid java.lang.IllegalArgumentException column visibility is invalid error */
/*eventValues.put("visibility", 3); // visibility to default (0),
// confidential (1), private
// (2), or public (3):
eventValu...
What does 'var that = this;' mean in JavaScript?
... object available to the private
methods. This is a workaround for an
error in the ECMAScript Language
Specification which causes this to be
set incorrectly for inner functions.
JS Fiddle
function usesThis(name) {
this.myName = name;
function returnMe() {
return this; ...
Difference between if () { } and if () : endif;
...
ERROR: <?php if(TRUE){?> test <?php }?> <?php else{ ?> test2 <?php }?>
– Yousha Aleayoub
May 6 '17 at 16:01
...
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
...num. But that's not an Android-specific tip, and it's a really rare design error anyway.
– Elliott Hughes
Jan 22 '12 at 22:57
...