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How do C++ class members get initialized if I don't do it explicitly?
...you do not explicitly initialize it.
For primitive types (pointers, ints, etc), they are not initialized -- they contain whatever arbitrary junk happened to be at that memory location previously.
For references (e.g. std::string&), it is illegal not to initialize them, and your compiler will c...
How to reverse a singly linked list using only two pointers?
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@aks: There is no leak. Notice malloc/etc. are not called so there isn't any need to free. The variable 'next' is scoped to the loop, but that's perfectly okay.
– Roger Pate
Feb 18 '10 at 1:06
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Fetch frame count with ffmpeg
Does anyone know how to fetch the number of total frames from a video file using ffmpeg? The render output of ffmpeg shows the current frame and I need the frame count to calculate the progress in percent.
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Get timezone from DateTime
...t-in method to return the offset or the timezone name (e.g. EAT, CEST, EST etc).
Like suggested by others, you can convert your date to UTC:
DateTime localtime = new DateTime.Now;
var utctime = localtime.ToUniversalTime();
and then only calculate the difference:
TimeSpan difference = localtime...
Python - Passing a function into another function
...objects in python. you can pass them around, include them in dicts, lists, etc. Just don't include the parenthesis after the function name. Example, for a function named myfunction: myfunction means the function itself, myfunction() means to call the function and get its return value instead.
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What does apply_filters(…) actually do in WordPress?
...eturns will convert to <p> tags, smiley faces will convert to icons, etc.
"the_content" is a hook, while "the_content()" is a function.
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Is HttpClient safe to use concurrently?
...rks section of the MSDN page you linked, it says that GetAsync, PostAsync, etc. are all thread safe.
– ischell
Jan 3 '13 at 20:47
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Reference alias (calculated in SELECT) in WHERE clause
... = e.EntityTypeId,
Variable2 = ...some..long..complex..expression..etc...
) vars
WHERE
vars.BalanceDue > 0
Kudos to Syed Mehroz Alam.
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Initialising mock objects - MockIto
...You declare the variable, and give it a value - no annotations, reflection etc.
– Karu
Jun 2 '15 at 4:14
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Role/Purpose of ContextLoaderListener in Spring?
...o tie the lifecycle of the ApplicationContext to the lifecycle of the ServletContext and
to automate the creation of the ApplicationContext, so you don't have to write explicit code to do create it - it's a convenience function.
Another convenient thing about the ContextLoaderListener is that it ...