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What is the easiest way to initialize a std::vector with hardcoded elements?
...typesafe, compile time constant
template <typename T, std::size_t N>
char (&sizeof_array( T(&)[N] ))[N]; // declared, undefined
#define ARRAY_SIZE(x) sizeof(sizeof_array(x))
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?
...d) (b*b) - ((4*a)*c)?
Some precedences are obvious (or should be), and the extra parentheses
just add to confusion. (On the other hand, you _should_ use the
parentheses in less obvious cases, even if you know that they're not
needed.)
Sort of. There are two wide spread conventions for formatting...
How can I combine flexbox and vertical scroll in a full-height app?
... to zero rather than min-content) and they'll suddenly get squished by the extra-tall <article> element.)
You can simplify the <article> flex too - just set flex: 1; and you'll be good to go. Try to stick with the common values in https://drafts.csswg.org/css-flexbox/#flex-common unless...
Bold words in a string of strings.xml in Android
I have a long text in one of the strings at strings.xml. I want to make bold and change the color of some words in that text.
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Change default timeout for mocha
... enter this (i.e. "--timeout 10000") under Run->Edit Configurations->Extra Mocha Options.
– Rubicon
Dec 8 '16 at 19:22
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ContextLoaderListener or not?
..., OpenEntityManagerInViewFilter, etc)
None of these apply to you, so the extra complexity is unwarranted.
Just be careful when adding background tasks to the servlet's context, like scheduled tasks, JMS connections, etc. If you forget to add <load-on-startup> to your web.xml, then these tas...
What's wrong with foreign keys?
...documented
Reasons not to use Foreign Keys:
you are making the DB work extra on every CRUD operation because it has to check FK consistency. This can be a big cost if you have a lot of churn
by enforcing relationships, FKs specify an order in which you have to add/delete things, which can lead ...
CSS Properties: Display vs. Visibility
... hickups if you switch between none and an other value during animations
extra notes:
images in hidden content: in all popular browsers images are still loaded, even though they are within any element with visibility: hidden; or display: none;
fonts in hidden content: webkit browsers (Chrome/Saf...
Visual Studio Post Build Event - Copy to Relative Directory Location
... comment: copy /Y "$(TargetPath)" "$(SolutionDir)somewhere\" , without the extra backslash, since $(SolutionDir) includes a trailing backslash (at least in VS2012)
– icy
Sep 12 '14 at 14:19
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Django ModelForm: What is save(commit=False) used for?
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Saving with commit=False gets you a model object, then you can add your extra data and save it.
This is a good example of that situation.
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