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PHP Sort a multidimensional array by element containing date
...rray('volume' => 85, 'edition' => 6);
$data[] = array('volume' => 98, 'edition' => 2);
$data[] = array('volume' => 86, 'edition' => 6);
$data[] = array('volume' => 67, 'edition' => 7);
foreach ($data as $key => $row) {
$volume[$key] = $row['volume'];
$edition[$ke...
Why do all browsers' user agents start with “Mozilla/”?
All popular browsers' user agent strings, even Internet Explorer's, start with Mozilla/ . Why is this the case?
6 Answers
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Fetch frame count with ffmpeg
...default=nokey=1:noprint_wrappers=1 input.mp4
This is a fast method.
Not all formats (such as Matroska) will report the number of frames resulting in the output of N/A. See the other methods listed below.
ffprobe: Count the number of frames
ffprobe -v error -count_frames -select_streams v:0 -sh...
What is the purpose of a self executing function in javascript?
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It's all about variable scoping. Variables declared in the self executing function are, by default, only available to code within the self executing function. This allows code to be written without concern of how variables are nam...
std::string to float or double
...11-features like std::addressof which makes it completely worthless for C++98/C++03 compilers. IMHO, when the project started it was the intention of Boost to provide new "standardized" features for older compiler versions... :-(
– kirsche40
Jul 23 '14 at 14:31...
How to make Sequelize use singular table names
I have an model called User but Sequelize looks for the table USERS whenever I am trying to save in the DB. Does anyone know how to set Sequelize to use singular table names? Thanks.
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When you exit a C application, is the malloc-ed memory automatically freed?
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It depends on the operating system. The majority of modern (and all major) operating systems will free memory not freed by the program when it ends.
Relying on this is bad practice and it is better to free it explicitly. The issue isn't just that your code looks bad. You may decide you w...
Not showing placeholder for input type=“date” field
...
98
If you use mvp's method but add the onblur event to change it back to a text field so the place...
Pandas: Looking up the list of sheets in an excel file
...eet_names attribute):
xl = pd.ExcelFile('foo.xls')
xl.sheet_names # see all sheet names
xl.parse(sheet_name) # read a specific sheet to DataFrame
see docs for parse for more options...
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Is there a difference between “throw” and “throw ex”?
...w ex resets the stack trace Coming from Method 1 and propogates it to the caller(Main)
throw ex;
}
}
private static void Method1()
{
try
{
throw new Exception("Inside Method1");
}
catch (Exception)
{
throw;
}
}
...