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Importance of varchar length in MySQL table
... Anytime your select query uses a temporary table (group and order by operations, among other things) it will convert varchar(200) to a char(200) and performance will suffer.
– Jamie
Feb 7 '13 at 20:14
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What's the recommended way to connect to MySQL from Go?
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Git push error: Unable to unlink old (Permission denied)
In the remote server I have a post-receive hook set up in order to make a git checkout of my repository:
14 Answers
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JavaScript: How do I print a message to the error console?
...me in milliseconds since the start time because the timeout could skew the order in which you might expect to see the messages.
The second argument to the Error method is for the filename, which is an empty string here to prevent output of the useless filename and line number. It is possible to ...
What does the “yield” keyword do?
...her list?
Then just import itertools.
An example? Let's see the possible orders of arrival for a four-horse race:
>>> horses = [1, 2, 3, 4]
>>> races = itertools.permutations(horses)
>>> print(races)
<itertools.permutations object at 0xb754f1dc>
>>> print...
Can you give a Django app a verbose name for use throughout the admin?
...p_name = app_label
While you are tweaking the index view why not add an 'order' property too.
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CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清...
...ize of the edit box if needed, and it needs access to the m_Rect member in order to do so. So in the InPlaceEdit.h file, make the following changes:
class CInPlaceEdit : public CEdit
{
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protected:
CRect m_Rect; // Add this line
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private:
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// CRect m_Rect; /...
How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
...are not also in set 2, ls *Music*. This requires both sets to be in sorted order to work properly. No problem for ls and glob expansion, but if you're using something like find, be sure to invoke sort.
comm -23 <(find . | sort) <(find . | grep -i '.jpg' | sort)
Potentially useful.
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How to remove selected commit log entries from a Git repository while keeping their changes?
...e commit, but meld into previous commit
You can move lines to change the order of commits and delete lines to remove that commit. Or you can add a command to combine (squash) two commits into a single commit (previous commit is the above commit), edit commits (what was changed), or reword commit m...
How can I make the Android emulator show the soft keyboard?
...store everything you write, also passwords. Give OK;
Repeat above steps in order to show "Change Keyboard" Dialog again, here the new option "Sample Soft Keyboard" is available and you can select it.
NOTE: after that, you might experience problems in running you app (as I had). Simply restart the ...