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Check if a div exists with jquery [duplicate]
... seems to me that .length defeats .length > 0, so it's kind of a double-win. Still, thanks for pointing this out.
– karim79
Nov 27 '13 at 23:44
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Download file from web in Python 3
... @Corey: Right from the docs: "21.6.24. Legacy interface The following functions and classes are ported from the Python 2 module urllib (as opposed to urllib2). They might become deprecated at some point in the future." ...and I agree on Oleh's "not sure why"
– cfi
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Exporting functions from a DLL with dllexport
I'd like a simple example of exporting a function from a C++ Windows DLL.
4 Answers
4
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No internet on Android emulator - why and how to fix? [closed]
...rnet on emulator if you are setting behind a proxy server perform the following steps:
Go to settings->Wireless & networks->mobile networks->Access Point Names.
Press menu button. an option menu will appear.
from the option menu select New APN.
Click on Name. provide name to apn say M...
How do you copy and paste into Git Bash
I'm using msysgit running on Windows XP.
30 Answers
30
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How to find out the number of CPUs using python
...iprocessing.cpu_count() is the way to go in Python 2.6 and newer. The following method falls back to a couple of alternative methods in older versions of Python:
import os
import re
import subprocess
def available_cpu_count():
""" Number of available virtual or physical CPUs on this system, i...
How to set a JVM TimeZone Properly
...one instead of an OS defined timezone. My JDK version is 1.5 and the OS is Windows Server Enterprise (2007)
7 Answers
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Why does string::compare return an int?
...ll the way to one of them
// ends. If the length isn't equal, "longest" wins.
return a.length() - b.length();
}
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Is there a performance gain in using single quotes vs double quotes in ruby?
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$ ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.0.0]
$ cat benchmark_quotes.rb
# As of Ruby 1.9 Benchmark must be required
require 'benchmark'
n = 1000000
Benchmark.bm(15) do |x|
x.report("assign single") { n.times do; c = 'a string'; end}
x.report("assign doub...
How to get the user input in Java?
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You can use any of the following options based on the requirements.
Scanner class
import java.util.Scanner;
//...
Scanner scan = new Scanner(System.in);
String s = scan.next();
int i = scan.nextInt();
BufferedReader and InputStreamReader classes
impo...