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Increment a value in Postgres
... want to take a value (which is an integer) in a field in a postgres table and increment it by one. For example if the table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total to 204?
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Concatenate multiple files but include filename as section headers
...es into one large file in terminal. I know I can do this using the cat command. However, I would like the filename of each file to precede the "data dump" for that file. Anyone know how to do this?
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How can I test what my readme.md file will look like before committing to github?
...tepag seems to be down now. Personally I use Dillinger since it just works and saves all my documents in my browser's local database.
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How to convert an enum type variable to a string?
...of output, you can define an operator<< that takes an enum parameter and does the lookup for you.
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Implementing comparison operators via 'tuple' and 'tie', a good idea?
(Note: tuple and tie can be taken from Boost or C++11.)
When writing small structs with only two elements, I sometimes tend to choose a std::pair , as all important stuff is already done for that datatype, like operator< for strict-weak-ordering.
The downsides though are the pretty much us...
Aligning textviews on the left and right edges in Android layout
I am getting started with Android. I am having trouble getting a simple layout going.
9 Answers
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How to center a “position: absolute” element
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Smartest answer. I have just checked it and it works on all browsers. It does not work on IE8 but it works on IE>=9
– Roger
Dec 11 '13 at 9:43
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Check if an array contains any element of another array in JavaScript
I have a target array ["apple","banana","orange"] , and I want to check if other arrays contain any one of the target array elements.
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NuGet Package Manager errors when trying to update
...e an older version installed.
The workaround is to simply uninstall NuGet and then install it from the VS Extension Gallery. See http://support.microsoft.com/kb/2581019 for more information, or to go directly to the VS hotfix.
Note: If Visual Studio won't allow you to uninstall the extension (the ...
Timer & TimerTask versus Thread + sleep in Java
...k is that it expresses your intention much better (i.e. code readability), and it already has the cancel() feature implemented.
Note that it can be written in a shorter form as well as your own example:
Timer uploadCheckerTimer = new Timer(true);
uploadCheckerTimer.scheduleAtFixedRate(
new Tim...