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Delete first character of a string in Javascript
...hen === and == perform precisely the same steps (according to the spec, at least), so there is no reason to expect one to perform better than the other.
– Tim Down
Oct 28 '13 at 9:40
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TypeScript, Looping through a dictionary
...rget(key); /* Use key, value here */ });. If you must show this method, at least mention the risks and better alternatives for those who don't yet know better.
– Yona Appletree
Apr 13 '16 at 0:08
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Do you (really) write exception safe code? [closed]
... first exception thrown.
basic: This is the guarantee you must at the very least offer, that is, if an exception is thrown, no resources are leaked, and all objects are still whole
strong: The processing will either succeed, or throw an exception, but if it throws, then the data will be in the same ...
Do I need Content-Type: application/octet-stream for file download?
...cted "save link as" but not if they'd selected "save" while viewing (or at least IE used to be like that, it may have changed some years ago).
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Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
...on of this is actually the best answer here. I find it odd that it has the least up-votes. I thought at first that it might fail if IsNumeric was called with NaN, but due to the quirk of NaN that it's not equal to anything it actually works out fine.
– Thor84no
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How to access java-classes in the default-package?
...fact, you can.
Using reflections API you can access any class so far. At least I was able to :)
Class fooClass = Class.forName("FooBar");
Method fooMethod = fooClass.getMethod("fooMethod", String.class);
String fooReturned = (String)fooMethod.invoke(fooClass.newInstance(), "I did it");
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convert a list of objects from one type to another using lambda expression
... a world with LINQ, it's more idiomatic to start with... but it's worth at least being aware of the ConvertAll option.
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Tactics for using PHP in a high-load site
...expensive (more servers).
INDEXING
Make sure that your queries utilize at least one index. Beware though, that indexes will cost you if you write or update frequently. There are some experimental tricks to avoid this.
You can try adding additional columns that aren't indexed which run parallel to...
How do I check whether a jQuery element is in the DOM?
...the DOM, then $foo.parent().length === 0. Otherwise, its length will be at least 1.
[Edit: This is not entirely correct, because a removed element can still have a parent; for instance, if you remove a <ul>, each of its child <li>s will still have a parent. Use SLaks' answer instead.
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javac error: Class names are only accepted if annotation processing is explicitly requested
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You at least need to add the .java extension to the file name in this line:
javac -cp /home/manish.yadav/Desktop/JCuda-All-0.3.2-bin-linux-x86_64 EnumDevices
From the official faq:
Class names, 'HelloWorldApp', are only accep...