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How to get the size of a string in Python?
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If you are talking about the length of the string, you can use len():
>>> s = 'please answer my question'
>>> len(s) # number of characters in s
25
If you need the size of the string in bytes, you need s...
Pry: show me the stack
...ject name to filter out all the irrelevant rails stack items. For example, if my project name were archie I'd use:
caller.select {|line| line.include? "archie" }
Which gives me the stack trace I'm looking for.
A shorter way would be:
caller.select {|x| x["archie"] }
Which works just as well.
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get keys of json-object in JavaScript [duplicate]
...ay initializer and an object initializer (aka, "object literal syntax").]
If you can rely on having ECMAScript5 features available, you can use the Object.keys function to get an array of the keys (property names) in an object. All modern browsers have Object.keys (including IE9+).
Object.keys(jso...
Rolling back a remote Git repository
...g history unchanged.
Or you can "roll back" with git reset --hard HEAD~n. If you are pushing in a public or shared repository, you may diverge and break others work based on your original branch. Git will prevent you doing so, but you can use git push -f to force the update.
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Call a function after previous function is complete
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Specify an anonymous callback, and make function1 accept it:
$('a.button').click(function(){
if (condition == 'true'){
function1(someVariable, function() {
function2(someOtherVariable);
});
}
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Extract TortoiseSVN saved password
... authentication (username/password)
svn.ssl.server contains SSL server certificates
svn.username contains credentials for username-only authentication (no password needed)
The first directory is the one of interest. It appears to contain files with names that look like GUIDs; one for each reposit...
sqlalchemy: how to join several tables by one query?
... I am new to SQLAlchemy. I noticed .filter() can receive multiple criteria if comma separated. Is it preferable to use one .filter() with comma separations inside the parenthesis, or use multiple .filter() like the above answer?
– Intrastellar Explorer
Apr 18 ...
Iterating over a numpy array
...loop
%timeit list(np.ndenumerate(X))
1 loop, best of 3: 570 ms per loop
If you are worried about the performance you could optimise a bit further by looking at the implementation of ndenumerate, which does 2 things, converting to an array and looping. If you know you have an array, you can call ...
How to give ASP.NET access to a private key in a certificate in the certificate store?
I have an ASP.NET application that accesses private key in a certificate in the certificates store. On Windows Server 2003 I was able to use winhttpcertcfg.exe to give private key access to the NETWORK SERVICE account. How do I give permissions to access a Private Key in a certificate in the certifi...
Visual Studio move project to a different folder
How do I move a project to a different folder in Visual Studio? I am used to this structure in my projects.
14 Answers
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