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http HEAD vs GET performance
...without transferring the entity-body itself. This method is often used for testing hypertext links for validity, accessibility, and recent modification.
It would seem to me that the correct answer to requester's question is that it depends on what is represented by the REST protocol. For example, ...
Hidden Features of JavaScript? [closed]
...
Also, be careful: the in operator also tests the prototype chain! If someone has put a property called '5' on the Object.prototype, the second example would return true even if you called '5 in list(1, 2, 3, 4)'... You'd better use the hasOwnProperty method: list...
Declaring variables inside or outside of a loop
...milar) examples:
Let's look at 1. example:
package inside;
public class Test {
public static void main(String[] args) {
while(true){
String str = String.valueOf(System.currentTimeMillis());
System.out.println(str);
}
}
}
after javac Test.java, jav...
How do I use .toLocaleTimeString() without displaying seconds?
...k dates from UI elements. That should come from your app layer. And always test in Safari. They've been IE6-level jerks about the date object.
– Erik Reppen
Mar 30 '15 at 2:45
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Why does IE9 switch to compatibility mode on my website?
...=Edge"/>
or the HTTP header:
X-UA-Compatible: IE=Edge
to get the latest renderer whatever IE version is in use.
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How can I validate a string to only allow alphanumeric characters in it?
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I detest regular expressions. I know that I will never remember the syntax. Even if I study it, there will come a time soon when it's all forgotten again.
– Sentinel
Jan 14 '15 at 17:26
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How can I add an empty directory to a Git repository?
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Doesn't work if you're writing a unit test that should test code on an empty directory...
– thebjorn
Dec 23 '15 at 10:22
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How do I check if there are duplicates in a flat list?
... to get O(N logN) if they're at least comparable. But you need to know or test the characteristics of the items (hashable or not, comparable or not) to get the best performance you can -- O(N) for hashables, O(N log N) for non-hashable comparables, otherwise it's down to O(N squared) and there's no...
How to convert a string to an integer in JavaScript?
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Fastest
var x = "1000"*1;
Test
Here is little comparison of speed (Mac Os only)... :)
For chrome 'plus' and 'mul' are fastest (>700,000,00 op/sec), 'Math.floor' is slowest. For Firefox 'plus' is slowest (!) 'mul' is fast...
Any reason not to use '+' to concatenate two strings?
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I have done a quick test:
import sys
str = e = "a xxxxxxxxxx very xxxxxxxxxx long xxxxxxxxxx string xxxxxxxxxx\n"
for i in range(int(sys.argv[1])):
str = str + e
and timed it:
mslade@mickpc:/binks/micks/ruby/tests$ time python /binks/m...