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What is the difference between == and equals() in Java?
...ore, no less.
If a class does not override the equals method, then it defaults to the equals(Object o) method of the closest parent class that has overridden this method.
If no parent classes have provided an override, then it defaults to the method from the ultimate parent class, Object, and so yo...
How can I make gdb save the command history?
..."Set the number of commands which gdb keeps in its history list. This defaults to the value of the environment variable GDBHISTSIZE, or to 256 if this variable is not set. Non-numeric values of GDBHISTSIZE are ignored. If size is unlimited or if GDBHISTSIZE is either a negative number or the empty s...
List of tuples to dictionary
...ten above on py 3.5 terminal. Traceback (most recent call last): File "<ipython-input-313-7bb3559567ff>", line 1, in <module> dict(my_list) TypeError: 'Dictionary' object is not callable
– CKM
Apr 23 '18 at 5:57
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Why is creating a Thread said to be expensive?
...d to many operations, but relatively expensive compared to task execution alternatives, which are relatively less expensive.
The most obvious alternative to running a task in another thread is to run the task in the same thread. This is difficult to grasp for those assuming that more threads are al...
Installing specific package versions with pip
...
There should be no problem with having multiple versions though, that's the point of creating new folders for every version and using .pth files.
– Jochen Ritzel
Mar 7 '11 at 23:26
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How can I increment a char?
...teresting, due to its clear distinction between bytes and unicode. By default, a "string" is unicode, so the above works (ord receives Unicode chars and chr produces them).
But if you're interested in bytes (such as for processing some binary data stream), things are even simpler:
>>> bst...
Visual Studio retrieving an incorrect path to a project from somewhere
... In VS2015 I needed to close all Visual Studio instances before deleting <SolutionDir>\.vs\<SolutionName>\<VsVersion>\.suo worked for me.
– GraehamF
Sep 14 '16 at 23:47
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Application Loader: “Cannot proceed with delivery: an existing transporter instance is currently upl
...er, use the following Terminal command (TRUE = UNHIDE, FALSE = HIDE):
defaults write com.apple.finder AppleShowAllFiles TRUE;killall Finder
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Styling text input caret
I want to style the caret of a focused <input type='text'/> . Specifically, the color and thickness.
5 Answers
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Difference between ProcessBuilder and Runtime.exec()
...sBuilder b = new ProcessBuilder("C:\DoStuff.exe", "-arg1", "-arg2");
or alternatively
List<String> params = java.util.Arrays.asList("C:\DoStuff.exe", "-arg1", "-arg2");
ProcessBuilder b = new ProcessBuilder(params);
...