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What does “export” do in shell programming? [duplicate]
...ed variable
$ env | grep '^other_variable='
other_variable=Goodbye
$
For more information, see the entry for the export builtin in the GNU Bash manual, and also the sections on command execution environment and environment.
Note that non-exported variables will be available to subshells run via (...
How do I connect to this localhost from another computer on the same network?
...d a few hours if this is the first time you do it. Let's say this is a bit more advanced networking, there are primary DNS Server, secondary DNS Servers, etc.. Good luck!
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Overloading and overriding
...ill have a question about this. Does overloading make it available to have more functionality with 'one' method? Like I can do this: getStuff(2, "Hello world!"); or I can do this getStuff("Myname", "Mysurname", "Hello World!");? Anyone can confirm this is the way to do it?
– Sj...
How do you see recent SVN log entries?
...n, so that can you have a quite granular control over what is printed. For more info about these -r expressions refer to svn help log or the relevant chapter in the book Version Control with Subversion
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How to terminate a python subprocess launched with shell=True
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How to check whether a pandas DataFrame is empty?
...can happen?
This situation happens when a single function is used to plot more than one DataFrame
which are passed as parameter.In such a situation the function try to plot the data even
when a DataFrame is empty and thus plot an empty figure!.
It will make sense if simply display 'DataFrame has ...
Pass entire form as data in jQuery Ajax function
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Scheduling recurring task in Android
... For normal timing operations (ticks, timeouts, etc) it is easier and much more efficient to use Handler.
Timer
timer = new Timer();
timer.scheduleAtFixedRate(new TimerTask() {
synchronized public void run() {
\\ here your todo;
}
}}, TimeUnit.MINUTES....
Order of event handler execution
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Maximum value for long integer
...n have unlimited precision. Refer the section Numeric Types in python for more information.To determine the max value of integer you can just refer sys.maxint. You can get more details from the documentation of sys.
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