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How is the fork/join framework better than a thread pool?
... equivalently for cores or virtual cores in case of hyper-threading).
At least there need to be as many threads running as there are CPUs available, because running less threads will leave a core unused.
At maximum there must be as many threads running as there are CPUs available, because running ...
Function overloading by return type?
...amming Language". Maybe someone has a copy? I bet it's the "principle of least surprise" in essence.) However, fun fact about Java: the JVM allows overloading by return value! This is used, for example, in Scala, and can be accessed directly through Java as well by playing around with internals....
Pass a local file in to URL in Java
...ant to get a URI. Eg, a URI begins with file:/// but a URL with file:/ (at least, that's what toString produces).
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How to increment a NSNumber
...nboxing everything to do simple operations, but it's getting better, or at least shorter.
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How do I get the last four characters from a string in C#?
...w many lines is this?
If you're positive the length of your string is at least 4, then it's even shorter:
mystring.Substring(mystring.Length - 4);
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Programmatically stop execution of python script? [duplicate]
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It works at least in the version 2.7.5 for executing an python file.
– MasterControlProgram
Dec 5 '16 at 16:33
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How do I set a JLabel's background color?
...he form. The background is transparent by default which seems odd to me at least but in the way of programming you have to set it to true as shown below.
JLabel lb = new JLabel("Test");
lb.setBackground(Color.red);
lb.setOpaque(true); <--This line of code must be set to true or...
FFmpeg C API documentation/tutorial [closed]
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ok hopefully fixed it, at least for now...
– rogerdpack
Jan 14 '13 at 17:01
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Exported service does not require permission: what does it mean?
... I use Eclipse 4.2.1, and it doesn't add it, giving an error (at least with the default config?). It just says: The prefix "tools" for attribute "tools:ignore" associated with an element type "activity" is not bound, and no choices are given for fixing this.
– Luis A....
wget command to download a file and save as a different filename
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Also notice the order of parameters on the command line. At least on some systems (e.g. CentOS 6):
wget -O FILE URL
works. But:
wget URL -O FILE
does not work.
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