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Why is parenthesis in print voluntary in Python 2.7?
...
Here we have interesting side effect when it comes to UTF-8.
>> greek = dict( dog="σκύλος", cat="γάτα" )
>> print greek['dog'], greek['cat']
σκύλος γάτα
>> print (greek['dog'], greek['cat'])
('\xcf\x83\xce\xba\xc...
python: Change the scripts working directory to the script's own directory
...Do not mingle code and data.
Data is precious. Code comes and goes.
Provide the working directory as a command-line argument value. You can provide a default as an environment variable. Don't deduce it (or guess at it)
Make it a required argument value and do this.
import sys
import os
workin...
git: Apply changes introduced by commit in one repo to another repo
...ter~2, which are values in the second repository you copy from) into SHA-1 identifier of commit. If you know SHA-1 of a change you want to pick, it is not necessary.
NOTE however that Git can skip copying objects from source repository, as it doesn't know that the alternate object repository is on...
How do you execute an arbitrary native command from a string?
...tead of relative paths, you shouldn't have many special cases, if any, outside of the 2 above.
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How do I programmatically shut down an instance of ExpressJS for testing?
...d('closing..');
app.close();
});
app.listen(3000);
Call app.close() inside the callback when tests have ended. But remember that the process is still running(though it is not listening anymore).
If after this, you need to end the process, then call process.exit(0).
Links:
app.close: http://no...
Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
...oo) is implicitly convertible to a pointer to the function. This is why void (*p1_foo)() = foo; works: foo is implicitly converted into a pointer to itself and that pointer is assigned to p1_foo.
The unary &, when applied to a function, yields a pointer to the function, just like it yields th...
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
... You are right that casting the result of indexOfObject: would be a bad idea. My answer was meant for the specific code in the question, and the count method cannot return NSNotFound. I did not recommend to cast to int or ignore warnings generally. Sorry if that was unclear. In fact your sample c...
Why can't non-default arguments follow default arguments?
...s are not. Syntactically, it would be impossible for the interpreter to decide which values match which arguments if mixed modes were allowed. A SyntaxError is raised if the arguments are not given in the correct order:
Let us take a look at keyword arguments, using your function.
def fun1(a="who ...
How can I override inline styles with external CSS?
...nline styles, but I don't have access to change this markup. How do I override inline styles in a document using only CSS? I don't want to use jQuery or JavaScript.
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git ahead/behind info between master and branch?
... remote master (git rev-list --left-right --count origin/master...@) - provided the user does git fetch before; useful to prevent pull requests from outdated branches.
– jakub.g
Mar 2 '16 at 19:53
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