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Does JavaScript have a built in stringbuilder class?
...oncat" is about 4-10 times faster than "join".
In IE8, both return about equal results.
In IE7, "join" is about 100 times faster unfortunately.
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What exactly does += do in python?
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+1 for answering the question, but -1 for an __iadd__ that returns a different type (which itself is addable)
– Caleth
Jun 1 '18 at 16:07
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Iterate a list with indexes in Python
I could swear I've seen the function (or method) that takes a list, like this [3, 7, 19] and makes it into iterable list of tuples, like so: [(0,3), (1,7), (2,19)] to use it instead of:
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How to update the value stored in Dictionary in C#?
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It's possible by accessing the key as index
for example:
Dictionary<string, int> dictionary = new Dictionary<string, int>();
dictionary["test"] = 1;
dictionary["test"] += 1;
Console.WriteLine (dictionary["test"]); // will print 2
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“date(): It is not safe to rely on the system's timezone settings…”
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Add the following in your index.php file. I first came across this when I moved my application from my XAMPP server to Apache 2.2 and PHP 5.4...
I would advise you do it in your index.php file instead of the php.ini file.
if( ! ini_get('date.timezon...
Pad a number with leading zeros in JavaScript [duplicate]
...ly works with 4 digits). Of course, it is a specific answer to a specific question, but including a length option would be better (like other answers).
– doubleJ
Nov 4 '13 at 19:26
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What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
...ttribute deletion.
Amusingly, Array.push( data ); is faster than Array[nextIndex] = data by almost 20 (dynamic array) to 10 (fixed array) times over.
Array.unshift(data) is slower as expected, and is ~approx 5x slower than a new property adding.
Nulling the value array[index] = null is faster than d...
What's the difference between MyISAM and InnoDB? [duplicate]
...hence we call MySQL with MYISAM is DBMS
MyISAM stores its tables, data and indexes in diskspace using separate three different files. (tablename.FRM, tablename.MYD, tablename.MYI)
MYISAM not supports transaction. You cannot commit and rollback with MYISAM. Once you issue a command it’s done.
MYISA...
How do I change read/write mode for a file using Emacs?
...lisp function.
If you are using the default keyboard bindings,
C-x C-q
(which you read aloud as "Control-X Control-Q") will have the same effect. Remember, however, given that emacs is essentially infinitely re-configurable, your mileage may vary.
Following up from the commentary: you sho...
Javascript array search and remove string?
...to remove only the first occurence:
t = ['A', 'B', 'C', 'B'];
t.splice(t.indexOf('B'), 1); // will return ['B'] and t is now equal to ['A', 'C', 'B']
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