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Why is creating a Thread said to be expensive?
... executed within the JVM thread in the OS. They are not often used, to my knowledge.
The biggest factor I can think of in the thread-creation overhead, is the stack-size you have defined for your threads. Thread stack-size can be passed as a parameter when running the VM.
Other than that, thread ...
What is the meaning of “POSIX”?
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POSIX is a family of standards, specified by the IEEE, to clarify and make uniform the application programming interfaces (and ancillary issues, such as commandline shell utilities) provided by Unix-y operating systems. When you write your programs to rely on ...
What Makes a Good Unit Test? [closed]
... in the code, ensure that you test all key paths and scenarios.. Use tools if you must to know untested regions
Repeatable: Tests should produce the same results each time.. every time. Tests should not rely on uncontrollable params.
Independent: Very important.
Tests should test only one thing a...
How to check if bootstrap modal is open, so i can use jquery validate
i need to make a validation only if a modal is open, because if i open it, and then i close it, and the i press the button that opens the modal it doesn't work because it is making the jquery validation, but not showing because the modal was dismissed.
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Real world use cases of bitwise operators [closed]
...te is defined by several "yes or no" properties. ACLs are a good example; if you have let's say 4 discrete permissions (read, write, execute, change policy), it's better to store this in 1 byte rather than waste 4. These can be mapped to enumeration types in many languages for added convenience.
C...
Peak detection in a 2D array
...measuring pressure under a dogs paw. I use Python for my data analysis and now I'm stuck trying to divide the paws into (anatomical) subregions.
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Print string to text file
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text_file.write("Purchase Amount: %s" % TotalAmount)
text_file.close()
If you use a context manager, the file is closed automatically for you
with open("Output.txt", "w") as text_file:
text_file.write("Purchase Amount: %s" % TotalAmount)
If you're using Python2.6 or higher, it's preferred...
Google Maps API 3 - Custom marker color for default (dot) marker
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Not sure if this is new but you can add _withshadow to have the shadow built in automatically. Example, chart.apis.google.com/…
– Lionel Chan
Apr 1 '13 at 8:52
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File Upload without Form
... IMHO this is the best solution, however another choice is to use an <iframe inside you can do a regular post back
– John Smith
Nov 12 '14 at 16:41
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Annotating text on individual facet in ggplot2
...p + geom_text(data = ann_text,label = "Text")
It should work without specifying the factor variable completely, but will probably throw some warnings:
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