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Pinging servers in Python
...mmand = ['ping', param, '1', host]
return subprocess.call(command) == 0
Note that, according to @ikrase on Windows this function will still return True if you get a Destination Host Unreachable error.
Explanation
The command is ping in both Windows and Unix-like systems.
The option -n (Wind...
Creating an array of objects in Java
...e this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
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Make div stay at bottom of page's content all the time even when there are scrollbars
...ition: fixed was designed for:
#footer {
position: fixed;
bottom: 0;
width: 100%;
}
Here's the fiddle: http://jsfiddle.net/uw8f9/
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How to beautify JSON in Python?
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Etienne PerotEtienne Perot
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add a com...
How to make input type= file Should accept only pdf and xls
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answered Aug 27 '12 at 13:10
feeelafeeela
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Removing input background colour for Chrome autocomplete?
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Where does Visual Studio look for C++ header files?
...cts and Solutions → VC++ Directories.
In new versions of Visual Studio (2015+) the above option is deprecated and a list of default include directories is available at Project Properties → Configuration → VC++ Directories
In your case, add the directory that the header is to the project prop...
Printing the correct number of decimal points with cout
...
205
With <iomanip>, you can use std::fixed and std::setprecision
Here is an example
#includ...
string to string array conversion in java
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202
To start you off on your assignment, String.split splits strings on a regular expression and th...
#ifdef vs #if - which is better/safer as a method for enabling/disabling compilation of particular s
... using #if, I can write this
DoSomethingSlowWithTimeout(DEBUG_ENABLED? 5000 : 1000);
... instead of ...
#ifdef DEBUG_MODE
DoSomethingSlowWithTimeout(5000);
#else
DoSomethingSlowWithTimeout(1000);
#endif
Second, you're in a better position if you want to migrate from a #define to a global...