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How to vertically center divs? [duplicate]

...nter; } Some browsers will need vendor prefixes. For older browsers without flexbox support (e.g. IE 9 and lower), you'll need to implement a fallback solution using one of the older methods. Recommended Reading Browser support A Guide to Flexbox Using CSS Flexible Boxes ...
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How to disable Crashlytics during development

... @marcr How about just using BuildConfig.DEBUG? – dannyroa Dec 6 '13 at 7:18 3 ...
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Prevent nginx 504 Gateway timeout using PHP set_time_limit()

I am getting 504 timeouts message from nginx when my PHP script is running longer than usual. set_time_limit(0) does not seem to prevent that! Does it not work when running php5-fpm on nginx? If so, whats the proper way of setting the time limit? ...
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How do I reverse an int array in Java?

... And I would like to put validData.length / 2 part to the outside of the for-loop. – Jin Kwon Mar 10 '14 at 3:28 7 ...
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How do I get bit-by-bit data from an integer value in C?

...ight shift the masked value to get just the bit we want. We could write it out more fully as: int mask = 1 << k; int masked_n = n & mask; int thebit = masked_n >> k; You can read more about bit-masking here. Here is a program: #include <stdio.h> #include <...
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Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?

...d. This is really a very intuitive way for generics to work, but it turns out that it is unsound (breaks the type system) when used in the presence of mutable data. This is why generics are invariant in Java. Brief example of unsoundness using Java arrays (which are erroneously covariant): Objec...
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Optimizing away a “while(1);” in C++0x

...d the document refers to both WG14 and WG21: As N1509 correctly points out, the current draft essentially gives undefined behavior to infinite loops in 6.8.5p6. A major issue for doing so is that it allows code to move across a potentially non-terminating loop. For example, assume we have ...
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How can I get my Twitter Bootstrap buttons to right align?

... I had to use pull-right in the outer btn-group div: <div class="btn-group pull-right"> – Gerfried Jul 27 '15 at 23:50 ...
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Difference between Repository and Service Layer?

...er (and upvoted hundreds of time) has a major flaw. I wanted to point this out in the comment but it will just get buried down there in 30 something comments so pointing out here. I took over an enterprise application which was built that way and my initial reaction was WTH? ViewModels in service ...
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Format date in a specific timezone

... As pointed out in Manto's answer, .utcOffset() is the preferred method as of Moment 2.9.0. This function uses the real offset from UTC, not the reverse offset (e.g., -240 for New York during DST). Offset strings like "+0400" work the sa...