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What is the curiously recurring template pattern (CRTP)?
... NonCopyable&); NonCopyable& operator=(const NonCopyable&); }; Then you use noncopyable as below: class Mutex : private NonCopyable<Mutex> { public: void Lock(){} void UnLock(){} };
– Viren
Apr 21 '14 at 3:48
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Read-only and non-computed variable properties in Swift
... were, to direct access to the counter; another class can make a Clock and then access its counter directly. But the idea — i.e., the contract we're trying to make — is that another class should use the Clock's top-level properties and methods only. We can't enforce that contract, but actually i...
Erasing elements from a vector
...the vector and returns the iterator to the first element after that range. Then erase removes these elements (whose value is unspecified).
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Git branch strategy for small dev team [closed]
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Creating feature branches off of master and then merging them back in for deployment is OK, so long as you have a tag so there's a safe rollback point. Deployments don't always go according to plan. Whether you believe in "roll forward only" doesn't matter much when yo...
How can I mock dependencies for unit testing in RequireJS?
...o provide your own mocks to the module and put your tests in the callback. Then you eval the module to run your tests, like so:
var fs = require('fs')
, hurp = {
beans: 'BEANS'
}
, durp = {
beans: 'durp beans'
}
, hurpDurp = fs.readFileSync('path/to/hurpDurp', 'utf8');
;...
Adding parameter to ng-click function inside ng-repeat doesn't seem to work
...);
var elem = linkingFunction($scope);
// You can then use the DOM element like normal.
jQuery(tablePanel).append(elem);
console.log("timeout");
},100);
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static allocation in java - heap, stack and permanent generation
...eration area.
Assuming that you are referring to the code of the method, then AFAIK yes. It may be a little more complicated though. For instance that code may exist in bytecode and/or native code forms at different times during the JVM's life.
... For non-static methods, all the parameters ...
Cannot change column used in a foreign key constraint
... use it on production if you ad write locks before modifying your data and then an unlock when you're done. Using an sql file to do your changes in the shortest amount of time possible would be even better.
– Francisco Zarabozo
Feb 14 '18 at 17:45
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How to use double or single brackets, parentheses, curly braces
...for more info. Example:
$ VARIABLE=abcdef
$ if [ $VARIABLE == abcdef ] ; then echo yes ; else echo no ; fi
yes
The double bracket ([[) does the same thing (basically) as a single bracket, but is a bash builtin.
$ VARIABLE=abcdef
$ if [[ $VARIABLE == 123456 ]] ; then echo yes ; else echo no ; fi
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Why is there a difference in checking null against a value in VB.NET and C#?
...T semantics, which in essence gives NULL the semantics "I don't know yet". Then the comparison of 5 to "I don't know yet". is naturally "I don't know yet"; ie NULL. This has the additional advantage of mirroring the behaviour of NULL in (most if not all) SQL databases. This is also a more standard (...