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How to count string occurrence in string?
...rn and elegant, but Vitimtk's solution is much more efficient. what do you all think of his code?
– TruMan1
Nov 4 '11 at 2:15
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JavaScript “new Array(n)” and “Array.prototype.map” weirdness
... objects in the array I believe the first map fails to run the function at all while the second manages to run.
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Uninstall Node.JS using Linux command line?
How do you uninstall node.js using the cmd line in linux?
14 Answers
14
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Google Guava isNullOrEmpty for collections
...eyard."
We don't believe that "is null or empty" is a question you ever really want to be asking about a collection.
If a collection might be null, and null should be treated the same as empty, then get all that ambiguity out of the way up front, like this:
Set<Foo> foos = NaughtyClass.getF...
Does const mean thread-safe in C++11?
...:
[17.6.5.9/1]
This section specifies requirements that implementations shall meet to prevent data races (1.10). Every standard library function shall meet each requirement unless otherwise specified. Implementations may prevent data races in cases other than those specified below.
[17.6.5.9/3]
A C...
What is the $$hashKey added to my JSON.stringify result
...e track by {uniqueProperty} suffix, Angular won't have to add $$hashKey at all. For example
<ul>
<li ng-repeat="link in navLinks track by link.href">
<a ng-href="link.href">{{link.title}}</a>
</li>
</ul>
Just always remember you need the "link."...
Difference between “include” and “require” in php
...ill halt the script whereas include only emits a warning (E_WARNING) which allows the script to continue.
See @efritz's answer for an example
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Capturing URL parameters in request.GET
...ll find the request method (in this case "GET", and for submitted forms usually "POST") in request.method. In some cases it's useful to check that it matches what you're expecting.
Update: When deciding whether to use the URL path or the query parameters for passing information, the following may h...
Instance variables vs. class variables in Python
...r instance. If there would be more than one instance (which won't happen), all instance should have the same configuration. I wonder which of the following options would be better or more "idiomatic" Python.
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Can I use a hash sign (#) for commenting in PHP?
...HP file using hashes ( # ) for commenting. But today I realized that I actually can! I'm assuming there's a reason why everybody uses // instead though, so here I am.
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