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How to re-open an issue in github?
...he person who closed it? E.g. is it common for contributors to unsubscribe from notifications as part of closing a bug, or is the default to continue to receive notifications?
– nealmcb
Feb 27 '15 at 16:00
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Is the primary key automatically indexed in MySQL?
... whether a primary key is also an index. The pages linked to in the answer from @fyrye are more relevant.
– George Hawkins
Nov 16 '17 at 13:00
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Strtotime() doesn't work with dd/mm/YYYY format
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You can parse dates from a custom format (as of PHP 5.3) with DateTime::createFromFormat
$timestamp = DateTime::createFromFormat('!d/m/Y', '23/05/2010')->getTimestamp();
(Aside: The ! is used to reset non-specified values to the Unix times...
recursively add file extension to all files
....jpg \;
Explanation: this recursively finds all files (-type f) starting from the current directory (.) and applies the move command (mv) to each of them. Note also the quotes around {}, so that filenames with spaces (and even newlines...) are properly handled.
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How to disable HTML links
...Chrome, FireFox and Opera (19+). Internet Explorer started to support this from version 11 but not for links however it's available in an outer element like:
span.disable-links {
pointer-events: none;
}
With:
<span class="disable-links"><a href="#">...</a></span>
Wo...
Why use def main()? [duplicate]
... module.main(). If the code were just in the if block, it couldn't be run from elsewhere.
– FogleBird
Oct 28 '10 at 13:13
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How can mixed data types (int, float, char, etc) be stored in an array?
...lowing you to use them freely without worrying about segfault or anything. From the linked Wikipedia article above:
A significant example of the use of tagged pointers is the Objective-C runtime on iOS 7 on ARM64, notably used on the iPhone 5S. In iOS 7, virtual addresses are 33 bits (byte-aligned)...
What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
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@Makito latititudes go from -90 to 90 degrees...so only need 2 places left of decimal point...
– dotjoe
Apr 10 '15 at 19:21
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Spring Data JPA - “No Property Found for Type” Exception
...hods defined by the interfaces and tries to automatically generate queries from the method name. While this has limitations, it is a very powerful and elegant way of defining new custom access methods with very little effort.
For example, if the managed entity has a name field (and the Java Bean sta...
What kind of Garbage Collection does Go use?
...least have predictable and controllable heap growth behavior.
(Photo from GopherCon 2015 presentation "Go GC: Solving the Latency Problem in Go 1.5")
The sole tuning knob for the STW collector was “GOGC”, the relative heap growth between collections. The default setting, 100%, triggered g...