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The Guava library: What are its most useful and/or hidden features? [closed]
...uava API and the new collection types it provides( Multimap and BiMap for example appear useful) and I am thinking of including the library in the project(s) I work on.
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Under what circumstances are linked lists useful?
Most times I see people try to use linked lists, it seems to me like a poor (or very poor) choice. Perhaps it would be useful to explore the circumstances under which a linked list is or is not a good choice of data structure.
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Sorting an ArrayList of objects using a custom sorting order
I am looking to implement a sort feature for my address book application.
11 Answers
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ie8 var w= window.open() - “Message: Invalid argument.”
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This is an old posting but maybe still useful for someone.
I had the same error message. In the end the problem was an invalid name for the second argument, i.e., I had a line like:
window.open('/somefile.html', 'a window title', 'width=300');
The problem was 'a wi...
When do we need to set ProcessStartInfo.UseShellExecute to True?
...of the windows ShellExecute function vs the CreateProcess function - the short answer is that if UseShellExecute is true then the Process class will use the ShellExecute function, otherwise it will use CreateProcess.
The longer answer is that the ShellExecute function is used to open a specified pro...
How to check if a variable is set in Bash?
... does not require quotes (since it either expands to x (which contains no word breaks so it needs no quotes), or to nothing (which results in [ -z ], which conveniently evaluates to the same value (true) that [ -z "" ] does as well)).
However, while quotes can be safely omitted, and it was not imm...
When to call activity context OR application context?
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getApplicationContext() is almost always wrong. Ms. Hackborn (among others) have been very explicit that you only use getApplicationContext() when you know why you are using getApplicationContext() and only when you need to use getApplicationContext().
To be blunt, "some programme...
How to print last two columns using awk
...of variable NF which is set to the total number of fields in the input record:
awk '{print $(NF-1),"\t",$NF}' file
this assumes that you have at least 2 fields.
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How can I check whether a numpy array is empty or not?
How can I check whether a numpy array is empty or not?
4 Answers
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How to find out how many lines of code there are in an Xcode project?
...any lines of code an Xcode project contains? I promise not to use such information for managerial measurement or employee benchmarking purposes. ;)
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