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In JavaScript, does it make a difference if I call a function with parentheses?
I noticed a difference when calling a function with empty parentheses, or without any parentheses at all. However, I am not passing any arguments to the function so I wondered, what would be the difference between:
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Efficient way to rotate a list in python
...s in the list following the popped item, because the data structure shifts all following elements toward the front of the list. Only the last element can be popped in O(1) time for this reason.
– Kirk Boyer
Jun 17 '18 at 21:26
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How do you automatically resize columns in a DataGridView control AND allow the user to resize the c
...autosize mode
grd.Columns[0].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
grd.Columns[1].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
grd.Columns[2].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
//datagrid has calculated it's widths so we can store them
for (int i = 0; i...
Changing the case of a string in Eclipse
... You can use the hot key CTRL+SHIFT+L to bring up the popup that contains all the available hot-keys
– Ken Chan
Oct 4 '12 at 18:57
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Changing API level Android Studio
...fileTree(dir: 'libs', include: ['*.jar'])
}
Sync gradle button (refresh all gradle projects also works)
For beginners in Android Studio "Sync gradle button" is located in
Tools -> Android -> Sync Project with Gradle Files "Rebuild project"
Build -> Rebuild Project
Rebuild pro...
Using print statements only to debug
...ith before, using formulae never seen before and dealing with huge files. All this made me write a lot of print statements to verify if it's all going right and identify the points of failure. But, generally, outputting so much information is not a good practice. How do I use the print statements o...
maven-dependency-plugin (goals “copy-dependencies”, “unpack”) is not supported by m2e
...a vital step in building your WAR file? I am working with monstrosity the call m2Eclipse and even if changing the action to execute, the vital files are not copied to the target folder...
– bartv
Jul 25 '12 at 22:12
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Testing modules in rspec
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Nice. This helped me avoid all sorts of issues with class ivars spanning tests. Gave the classes names by assigning to constants.
– captainpete
Jun 25 '12 at 12:48
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How to delete/create databases in Neo4j?
...s in the graph database Neo4j like in MySQL? Or, at least, how to delete all nodes and relationships of an existing graph to get a clean setup for tests, e.g., using shell commands similar to rmrel or rm ?
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Is there a naming convention for Django apps
...-app" would be a syntax error). PEP 8 says:
Modules should have short, all-lowercase names. Underscores can be used
in the module name if it improves readability. Python packages should
also have short, all-lowercase names, although the use of underscores is
discouraged.
So, 1 and 3 ar...