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How to find the 'sizeof' (a pointer pointing to an array)?
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No, you can't. The compiler doesn't know what the pointer is pointing to. There are tricks, like ending the array with a known out-of-band value and then counting the size up until that value, but that's not using sizeof().
Another trick is the one ...
What exceptions should be thrown for invalid or unexpected parameters in .NET?
...umentNullException – Argument is null.
ArgumentOutOfRangeException – I don’t use this one much, but a common use is indexing into a collection, and giving an index which is to large.
There are other options, too, that do not focus so much on the argument itself, but rather judge the call as ...
How do I pass the this context to a function?
...urrent node to this inside the function you pass as the parameter.
EDIT:
Don't be afraid to look inside jQuery's code when you have a doubt, it's all in clear and well documented Javascript.
ie: the answer to this question is around line 574, callback.call( object[ name ], name, object[ name ] ) ...
How to select rows from a DataFrame based on column values?
...value of a Series is ambiguous error.
To select rows whose column value does not equal some_value, use !=:
df.loc[df['column_name'] != some_value]
isin returns a boolean Series, so to select rows whose value is not in some_values, negate the boolean Series using ~:
df.loc[~df['column_name'].i...
How to get the month name in C#?
How does one go about finding the month name in C#? I don't want to write a huge switch statement or if statement on the month int . In VB.Net you can use MonthName() , but what about C#?
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Hidden features of Windows batch files
What are some of the lesser know, but important and useful features of Windows batch files?
91 Answers
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Restore Eclipse subversion project connection
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If you are using sublipse as your SVN provider I recommend doing the following
Team -> Share project is usually enough to connect the metadata.
(that is, assuming that the .svn files are still there which they seem to be if you can work on the command line).
Hope this helps as ...
Read a variable in bash with a default value
...lt value in the prompt between brackets is a fairly common convention
What does the :-Richard part do? From the bash manual:
${parameter:-word}
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of parameter is substituted.
Also worth noting that...
In each ...
Why do we need the “finally” clause in Python?
...except TypeError:
run_code2()
return None
other_code() # This doesn't get run if there's an exception.
Other situations that can cause differences:
If an exception is thrown inside the except block.
If an exception is thrown in run_code1() but it's not a TypeError.
Other control flo...
What is Double Brace initialization in Java?
What is Double Brace initialization syntax ( {{ ... }} ) in Java?
13 Answers
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