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Test if string is a number in Ruby on Rails
...il 1154461.1 (±5.5%) i/s - 5788976 in 5.035311s
require 'benchmark/ips'
int = '220000'
bad_int = '22.to.2'
Benchmark.ips do |x|
x.report('cast') do
Integer(int) rescue false
end
x.report('cast fail') do
Integer(bad_int) rescue false
end
x.report('to_s') do
int.to_i....
Http Basic Authentication in Java using HttpClient?
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edited Mar 27 '19 at 14:44
lukas84
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answered Jul 29 ...
Detecting a mobile browser
...er detected".
– Richard Lovejoy
Mar 27 '13 at 18:28
50
@RichardLovejoy when building sites, the i...
Simplest way to detect a mobile device in PHP
... working for me though.
– James
Aug 27 '15 at 17:04
18
@kavior.com Yes it can be faked, but we sh...
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
...om/a/34956330/626369
– Dominick
May 27 '17 at 2:55
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write a shell script to ssh to a remote machine and execute commands
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There are multiple remote linux machines, and I need to write a shell script which will execute the same set of commands in each machine. (Including some sudo operations). How can this be done using shell scripting?
You can do this with ...
Connect Java to a MySQL database
... default 3306.
Download the JDBC driver and put in classpath, extract the ZIP file and put the containing JAR file in the classpath. The vendor-specific JDBC driver is a concrete implementation of the JDBC API (tutorial here).
If you're using an IDE like Eclipse or Netbeans, then you can add it to...
Best way to create unique token in Rails?
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– King'ori Maina
Feb 16 '15 at 14:27
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Python's “in” set operator
... Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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Set EditText Digits Programmatically
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WhilerWhiler
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