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How to add a new audio (not mixing) into a video using ffmpeg?
I used a command like:
7 Answers
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How to resolve “must be an instance of string, string given” prior to PHP 7?
...Prior to PHP 7 type hinting can only be used to force the types of objects and arrays. Scalar types are not type-hintable. In this case an object of the class string is expected, but you're giving it a (scalar) string. The error message may be funny, but it's not supposed to work to begin with. Give...
How do I use itertools.groupby()?
I haven't been able to find an understandable explanation of how to actually use Python's itertools.groupby() function. What I'm trying to do is this:
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maven command line how to point to a specific settings.xml for a single command?
... to override the default settings.xml being used by maven for a single command?
Example:
1 Answer
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Accessing Imap in C# [closed]
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I've been searching for an IMAP solution for a while now, and after trying quite a few, I'm going with AE.Net.Mail.
You can download the code by going to the Code tab and click the small 'Download' icon. As the author does not provide any pre-built downloads, you must compile it yo...
How to use a variable inside a regular expression?
...y answer:
raw strings ('r'):
One of the main concepts you have to understand when dealing with special characters in regular expressions is to distinguish between string literals and the regular expression itself. It is very well explained here:
In short:
Let's say instead of finding a word bou...
How can I see the assembly code for a C++ program?
... the GNU assembler, compiling with -g -Wa,-alh will give intermixed source and assembly on stdout (-Wa asks compiler driver to pass options to assembler, -al turns on assembly listing, and -ah adds "high-level source" listing):
g++ -g -c -Wa,-alh foo.cc
For Visual Studio, use /FAsc.
Peek into the...
What is the Swift equivalent to Objective-C's “@synchronized”?
... from Matt Gallagher about this: cocoawithlove.com/blog/2016/06/02/threads-and-mutexes.html
– wuf810
Jul 29 '16 at 11:50
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What is the difference between a definition and a declaration?
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A declaration introduces an identifier and describes its type, be it a type, object, or function. A declaration is what the compiler needs to accept references to that identifier. These are declarations:
extern int bar;
extern int g(int, int);
double f(int, doub...
Get list from pandas DataFrame column headers
I want to get a list of the column headers from a pandas DataFrame. The DataFrame will come from user input so I won't know how many columns there will be or what they will be called.
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