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C++ Object Instantiation
... general, every time you need to allocate a resource, whether it's memory (by calling new), file handles, sockets or anything else, wrap it in a class where the constructor acquires the resource, and the destructor releases it. Then you can create an object of that type on the stack, and you're guar...
Android Fragment no view found for ID?
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What do you mean by child of layout specified in setContentView? How to make it child?
– NinjaCoder
Feb 7 '13 at 15:51
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What is the difference between square brackets and parentheses in a regex?
... of the use of a character class and a single metacharacter is a bad idea, by the way, since the layer of abstraction can slow down the match, but this is only an implementation detail and only applies to a few of regex implementations. JavaScript is not one, but it does make the subpattern slightly...
Can enums be subclassed to add new elements?
... This approach of deriving an enum from an interface is used by the Java 1.7 API, e.g. java.nio.file.Files.write() takes an array of OpenOption as the last argument. OpenOption is an interface, but when we call this function we usually pass a StandardOpenOption enum constant, which is ...
How do I parse an ISO 8601-formatted date?
...t tries to guess the format and makes inevitable assumptions (customizable by hand only) in ambiguous cases. So ONLY use it if you need to parse input of unknown format and are okay to tolerate occasional misreads.
– ivan_pozdeev
Apr 23 '15 at 23:34
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What is the Git equivalent for revision number?
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@Lii: What do you mean by "source commit"? Both the nearest tag (v1.0.4) and the most recent commit id (2414721) are already part of the git describe output.
– Greg Hewgill
Oct 15 '18 at 19:34
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Fatal Error: Allowed Memory Size of 134217728 Bytes Exhausted (CodeIgniter + XML-RPC)
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Changing the memory_limit by ini_set('memory_limit', '-1'); is not a proper solution. Please don't do that.
Your PHP code may have a memory leak somewhere and you are telling the server to just use all the memory that it wants. You wouldn't have fixe...
How do I obtain a Query Execution Plan in SQL Server?
...ght find it helpful to be able to obtain a plan via SQL Server Profiler or by inspecting the plan cache.
Method 1 - Using SQL Server Management Studio
SQL Server comes with a couple of neat features that make it very easy to capture an execution plan, simply make sure that the "Include Actual Exec...
In Java, what does NaN mean?
...e operation to produce
some undefined result. For example,
0.0 divided by 0.0 is arithmetically undefined. Taking the square root of a
negative number is also undefined.
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Find a commit on GitHub given the commit hash
...ile.ext - e.g. github.com/mongodb/mongo/blob/…
– RubyTuesdayDONO
Mar 5 '13 at 16:56
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