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How to check if array is empty or does not exist? [duplicate]
...ether its argument is an array. This weeds out values like null, undefined and anything else that is not an array.
Note that this will also eliminate array-like objects, such as the arguments object and DOM NodeList objects. Depending on your situation, this might not be the behavior you're after.
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How to catch curl errors in PHP
...rl_error($ch);
}
curl_close($ch);
if (isset($error_msg)) {
// TODO - Handle cURL error accordingly
}
See the description of libcurl error codes here
See the description of PHP curl_errno() function here
See the description of PHP curl_error() function here
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How does this milw0rm heap spraying exploit work?
...ion of our shellcode in memory, we put a lot of nop instructions before it and jump to somewhere there. The memory array will hold the actual x86 code along with the jumping mechanism. We'll feed the crafted XML to the library which has a bug. When it's being parsed, the bug will cause the instructi...
Difference between onCreate() and onStart()? [duplicate]
I was wondering - what is the difference between onCreate() and onStart() methods?
2 Answers
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CSS display: inline vs inline-block [duplicate]
In CSS, display can have values of inline and inline-block . Can anyone explain in detail the difference between inline and inline-block ?
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AngularJS app.run() documentation?
How and where is app.run() used? After module definition, after app.config() or after app.controller() ?
2 Answers
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Page redirect after certain time PHP
...code with include, or require, functions, or another file access function, and have spaces or empty lines that are output before header() is called. The same problem exists when using a single PHP/HTML file. (source php.net)
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How do I get the information from a meta tag with JavaScript?
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I think this answer is not more relevant and you should really use stackoverflow.com/questions/7524585/…
– Sergei Basharov
Jan 21 '17 at 17:10
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How can I shuffle an array? [duplicate]
...;
for (i = a.length - 1; i > 0; i--) {
j = Math.floor(Math.random() * (i + 1));
x = a[i];
a[i] = a[j];
a[j] = x;
}
return a;
}
ES2015 (ES6) version
/**
* Shuffles array in place. ES6 version
* @param {Array} a items An array containing the items.
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When converting a project to use ARC what does “switch case is in protected scope” mean?
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The braces help the compiler understand scope. I know GCC used to issue a warning if you declared a new variable at the first line of a case statement without the braces, and the WWDC 2011 video on ARC mentions something about enclosing cases in braces. If you ...