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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
...the keys would be an unnecessary inconsistency.
It is faster:
$ python -m timeit "dict(a='value', another='value')"
1000000 loops, best of 3: 0.79 usec per loop
$ python -m timeit "{'a': 'value','another': 'value'}"
1000000 loops, best of 3: 0.305 usec per loop
If the special syntax for dictionary...
How do I call setattr() on the current module?
...on, forcing the dict you desire to exist, start the function with exec '': time a function with a couple substantial loops each way, and you'll see the importance of this core optimization to Python's performance.
– Alex Martelli
May 29 '10 at 5:07
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Use of Application.DoEvents()
... The same kind of wisdom as "don't mutate a struct". Erm, why does the runtime and the language supports mutating a struct if that's so bad? Same reason: you shoot yourself in the foot if you don't do it right. Easily. And doing it right requires knowing exactly what it does, which in the case o...
Xcode 4 - detach the console/log window
...b first or otherwise Xcode will consider it the "main" window for the next time you open the project and you ll end up with a full screen output window and no files visible when reopening the project.
– Joris Mans
Apr 17 '11 at 14:32
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Determine which JAR file a class is from
I am not in front of an IDE right now, just looking at the API specs.
4 Answers
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Which is better: … or …
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@Ian: At the time of writing, the HTML5 spec was a working draft and had not yet morphed into its current status of perpetually moving target. Browser implementations of HTML5 were a considerable way behind where they are now. Considering...
What is non-blocking or asynchronous I/O in Node.js?
...rt(1);
alert(2);
alert(3);
Asynchronous: 1,3,2
alert(1);
setTimeout(() => alert(2), 0);
alert(3);
Blocking vs Non-blocking
Blocking refers to operations that block further execution until that operation finishes. Non-blocking refers to code that doesn't block execution. In...
Calling Python in Java?
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There aren't any error, i'm just having a hard time integrating Jython into Netbeans
– Shahab
Jan 17 '12 at 20:09
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Why is IntelliJ 13 IDEA so slow after upgrading from version 12?
...ions. Turning the plugins related to Android development off speed up load time and makes the program run much smoother on my machine.
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How do I install a plugin for vim?
I'd like to try the plugin for Vim linked below. It adds syntax highlighting for .haml and (perhaps) .sass files.
5 Ans...