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mysql_config not found when installing mysqldb python interface
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mySQLdb is a python interface for mysql, but it is not mysql itself. And apparently mySQLdb needs the command 'mysql_config', so you need to install that first.
Can you confirm that you did or did not install mysql itself, by running "mysql" from the shell? That should give you a response oth...
Fast check for NaN in NumPy
... to get slower as NaNs get closer to the start of the array. On the other hand, sum's throughput seems constant regardless of whether there are NaNs and where they're located:
In [40]: x = np.random.rand(100000)
In [41]: %timeit np.isnan(np.min(x))
10000 loops, best of 3: 153 us per loop
In [42]:...
Where are static methods and static variables stored in Java?
...stance related).
Update for clarification:
Note that only the variables and their technical values (primitives or references) are stored in PermGen space.
If your static variable is a reference to an object that object itself is stored in the normal sections of the heap (young/old generation or...
Why is ArrayDeque better than LinkedList
I am trying to to understand why Java's ArrayDeque is better than Java's LinkedList as they both implement Deque interface.
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Begin, Rescue and Ensure in Ruby?
I've recently started programming in Ruby, and I am looking at exception handling.
7 Answers
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Access denied for user 'root@localhost' (using password:NO)
I'm new to MySQL, I'm trying to run WordPress in my Windows desktop and it needs MySQL.
16 Answers
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What does the ??!??! operator do in C?
...?! is a trigraph that translates to |. So it says:
!ErrorHasOccured() || HandleError();
which, due to short circuiting, is equivalent to:
if (ErrorHasOccured())
HandleError();
Guru of the Week (deals with C++ but relevant here), where I picked this up.
Possible origin of trigraphs or as @...
Disabling Chrome cache for website development
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The Chrome DevTools can disable the cache.
Right-click and choose Inspect Element to open the DevTools. Or use one of the following keyboard shortcuts:
F12
Command+Option+i on Mac
Control+Shift+i on Windows or Linux
Click Network in the toolbar to open the network pane.
Check ...
Git keeps prompting me for a password
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I think you may have the wrong Git repository URL.
Open .git/config and find the [remote "origin"] section. Make sure you're using the SSH one:
ssh://git@github.com/username/repo.git
You can see the SSH URL in the main page of your repository if you click Clone or download and choose ssh.
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How to compare type of an object in Python?
...ty of details of why checking the type of an object is usually a bad idea, and what you probably should be doing instead.
– Jeff Shannon
Apr 2 '09 at 9:28
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