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Should private helper methods be static if they can be static
...that they will not modify the state of the object. My IDE will also show calls to static methods in italics, so I will know the method is static without looking the signature.
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What's the difference between SortedList and SortedDictionary?
...<TKey,TValue> ? Are there any circumstances where you would specifically use one and not the other?
7 Answers
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Setting focus on an HTML input box on page load
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Here's a compatibility table for autofocus: caniuse.com/#feat=autofocus
– Oreo
Oct 6 '17 at 11:55
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Prefer composition over inheritance?
...ng a class which should behave just like another class, but not be substitutable for it (such a class would have all "this class" references replaced with itself).
– supercat
Dec 8 '11 at 16:16
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What new capabilities do user-defined literals add to C++?
C++11 introduces user-defined literals which will allow the introduction of new literal syntax based on existing literals ( int , hex , string , float ) so that any type will be able to have a literal presentation.
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Any reason not to use '+' to concatenate two strings?
... Tuple would be faster - the code was just an example :) Usually long multiple string inputs are dynamic.
– Mikko Ohtamaa
Apr 6 '12 at 12:52
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How to execute IN() SQL queries with Spring's JDBCTemplate effectivly?
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You should probably insert the values into a temporary table and build the condition using WHERE NOT EXISTS (SELECT ...).
– yawn
May 26 '10 at 11:17
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How to wait for several Futures?
...ave several futures and need to wait until either any of them fails or all of them succeed.
8 Answers
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Replace multiple characters in one replace call
... just have to chain. However, you could add a prototype:
String.prototype.allReplace = function(obj) {
var retStr = this;
for (var x in obj) {
retStr = retStr.replace(new RegExp(x, 'g'), obj[x]);
}
return retStr;
};
console.log('aabbaabbcc'.allReplace({'a': 'h', 'b': 'o'}))...
How to remove unused C/C++ symbols with GCC and ld?
I need to optimize the size of my executable severely ( ARM development) and
I noticed that in my current build scheme ( gcc + ld ) unused symbols are not getting stripped.
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