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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...ore readable is a different matter, however. It's subjective and will vary from person to person - so I suggest you find out what most people on your team like, and all go with that for consistency. Personally I find "" easier to read.
The argument that "" and " " are easily mistaken for each other...
Convert object string to JSON
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If the string is from a trusted source, you could use eval then JSON.stringify the result. Like this:
var str = "{ hello: 'world', places: ['Africa', 'America', 'Asia', 'Australia'] }";
var json = JSON.stringify(eval("(" + str + ")"));
Not...
how to set desired language in git-gui?
...set LANG=en
Please note that this will only work when launching commands from the git shell - GIT GUI launched from the start menu will not be affected
2) Delete or rename relevant *.msg file in C:\Program Files\Git\share\git-gui\lib\msgs
You save on not modifying any setup shell (especially if ...
CentOS 64 bit bad ELF interpreter
....0-2.fc15.i686 : X.Org X11 SM runtime library
Repo : fedora
Matched from:
Filename : /usr/lib/libSM.so.6
In this example the name of the package is libSM and the name of the 32bit version of the package is libSM.i686.
You can then install the package to grab the requisite library using ...
Set up Heroku and GoDaddy? [closed]
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[Updated 31.10.2014] Allright! It works! Here is how I did it from scratch, so others with the same problem can fix it too. First I will explain how to setup Heroku and GoDaddy, then I will explain how to create a naked domain (www.example.com -> example.com).
Setup Heroku and GoDad...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...56 IP addresses (2 hosts up) scanned in 2.71 seconds
Login to your RPi from your laptop (-Y with X-forwarding)
$ssh -Y pi@10.42.0.96
Lo and behold! Now your RPi is connected to your laptop and RPi can share the WiFi connection.
pi@raspberrypi ~ $
Share display & keyboard of your laptop...
How can I get the MAC and the IP address of a connected client in PHP?
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Server IP
You can get the server IP address from $_SERVER['SERVER_ADDR'].
Server MAC address
For the MAC address, you could parse the output of netstat -ie in Linux, or ipconfig /all in Windows.
Client IP address
You can get the client IP from $_SERVER['REMOTE_ADD...
What is an idempotent operation?
...re than once with the same input parameters. For example, removing an item from a set can be considered an idempotent operation on the set.
In mathematics, an idempotent operation is one where f(f(x)) = f(x). For example, the abs() function is idempotent because abs(abs(x)) = abs(x) for all x.
Th...
Java recursive Fibonacci sequence
...fibonacci(3) = 1+1 = 2
fibonacci(4) = 2+1 = 3
fibonacci(5) = 3+2 = 5
And from fibonacci sequence 0,1,1,2,3,5,8,13,21.... we can see that for 5th element the fibonacci sequence returns 5.
See here for Recursion Tutorial.
s...
How does __proto__ differ from constructor.prototype?
...t constructor property does not exist in created objects, but is inherited from the prototype.
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