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What do you call the -> operator in Ruby?
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FYI The 2 styles aren't fully interchangeable if you use do/end because of precedence rules. This prints an inspected lambda: puts -> do 1 end. This passes the block to puts, stealing it from the lambda and causing an ArgumentError: puts lambda do 1 end
– K...
What is the best way to call a script from another script?
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The usual way to do this is something like the following.
test1.py
def some_func():
print 'in test 1, unproductive'
if __name__ == '__main__':
# test1.py executed as script
# do something
some_func()
service.py
import te...
How do I uninstall a Windows service if the files do not exist anymore?
How do I uninstall a .NET Windows Service, if the service files does not exists anymore?
13 Answers
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How do I instantiate a Queue object in java?
... interface. It is not needed except in those rare cases where you wish to do something special while providing the rest of your program with a Queue.
public class MyQueue<T extends Tree> implements Queue<T> {
public T element() {
... your code to return an element goes here ......
Insert/Update Many to Many Entity Framework . How do I do it?
...your StudentClass table only contains the Ids and no extra information, EF does not generate an entity for the joining table. That is the correct behaviour and that's what you expect.
Now, when doing inserts or updates, try to think in terms of objects. E.g. if you want to insert a class with two s...
Bootstrap trying to load map file. How to disable it? Do I need to do it?
...hing is, I see in GH dev tools, that it's trying to get .map.css file. Why does it want to do so? How to disable it? Do I need to disable it? To not to have an error mark in dev tools, I added that map file, after which all styles are displayed as they defined in less files, which doesn't help me mu...
Is assert evil? [closed]
... religious reasons, then just use goto rather than obfuscating what you're doing. In other words: if you can prove you really need goto, and the only alternative is to enact a load of pointless scaffolding that ultimately does the same thing but without alterting the Goto Police... then just use got...
How do I add comments to package.json for npm install?
... a simple package.json file and I want to add a comment. Is there a way to do this, or are there any hacks to make this work?
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Immutable vs Mutable types
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What? Floats are immutable? But can't I do
x = 5.0
x += 7.0
print x # 12.0
Doesn't that "mut" x?
Well you agree strings are immutable right? But you can do the same thing.
s = 'foo'
s += 'bar'
print s # foobar
The value of the variable changes, but it change...
Remove last item from array
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Doesn't work for one-element arrays: [1].splice(-1, 1) => [1]
– Tvaroh
Nov 1 '14 at 8:38
144
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