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How do I find the length of an array?

...time expression so it doesn't have any drawbacks over the macro (at least none I know of). You can also consider using std::array from C++11 which exposes its length with no overhead over a native C array. C++17 has std::size() in the <iterator> header which does the same and works for STL c...
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SQLAlchemy default DateTime

...r me: from sqlalchemy.sql import func; created_date = Column(DateTime(timezone=True), server_default=func.now() – tharndt Jan 21 at 10:18  |  ...
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Create Directory When Writing To File In Node.js

... That's the one I'm going with...those stats won me over. – Aran Mulholland Jun 30 '14 at 12:07 ...
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How to break out of a loop in Bash?

... It's not that different in bash. done=0 while : ; do ... if [ "$done" -ne 0 ]; then break fi done : is the no-op command; its exit status is always 0, so the loop runs until done is given a non-zero value. There are many ways you could set an...
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Custom exception type

...throw an object, then simply create a new object, just as you would create one under other circumstances, and then throw it. Mozilla's Javascript reference has several examples. share | improve this...
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How can I get enum possible values in a MySQL database?

... This is one of Chris Komlenic's 8 Reasons Why MySQL's ENUM Data Type Is Evil:  4. Getting a list of distinct ENUM members is a pain. A very common need is to populate a select-box or drop down list with possible values...
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Difference between OperationCanceledException and TaskCanceledException?

...ion ? If I am using .NET 4.5 and using the async / await keywords, which one should I be looking to catch? 1 Answer ...
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Font Awesome not working, icons showing as squares

...at font-awesome already worked for e.g. MenuItem-definitions inside xx.component.ts (the icons rendered correctly). However: when adding something to xx.component.html (e.g. p-button with an icon), one has to add fa class and fa-<whatever icon>! – Igor Ma...
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How to copy a directory structure but only include certain files (using windows batch files)

... An alternate solution that copies one file at a time and does not require ROBOCOPY: @echo off setlocal enabledelayedexpansion set "SOURCE_DIR=C:\Source" set "DEST_DIR=C:\Destination" set FILENAMES_TO_COPY=data.zip info.txt for /R "%SOURCE_DIR%" %%F IN (%FI...
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Meaning of $? (dollar question mark) in shell scripts

...en # do something else # do something else fi The comparison is to be done on equals to 0 or not equals 0. ** Update Based on the comment: Ideally, you should not use the above code block for comparison, refer to @tripleee comments and explanation. ...