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When increasing the size of VARCHAR column on a large table could there be any problems?
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All went fine with this. No problems.
– Paul T Davies
Sep 23 '11 at 15:46
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How can I list (ls) the 5 last modified files in a directory?
I know ls -t will list all files by modified time. But how can I limit these results to only the last n files?
5 Answe...
django 1.5 - How to use variables inside static tag
I'm currently migrating all the static files references in my project to the new {% static %} tag that django 1.5 introduced, but I'm having a problem, in some places I use variables to get the content. With the new tag I can't, is there any way to solve this?
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Spring CrudRepository findByInventoryIds(List inventoryIdList) - equivalent to IN clause
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It's actually listed in the reference documentation.
– Oliver Drotbohm
Sep 27 '13 at 14:09
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Are table names in MySQL case sensitive?
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This totally burned me as my code was working great on my local windows environment, but throwing exceptions when moved into production on linux!! Thanks!
– portforwardpodcast
Feb 14 '13 at 21:1...
Specify width in *characters*
... than the width. Same holds for ex, which is the height of an x. More generally speaking, these are the heights of uppercase and lowercase letters.
Width is a totally different issue....
Change your example above to
<div>
<span>1</span> 3 5 7 9 1 3 5 7 9 1
</div>
an...
Redirect stdout pipe of child process in Go
...u can simply set cmd.Stdin = os.Stdin thereby making it as if you had literally executed that command from your shell.
– Nucleon
May 28 '14 at 0:49
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Why use prefixes on member variables in C++ classes
...before a capital letter in a word is reserved.
For example:
_Foo
_L
are all reserved words while
_foo
_l
are not. There are other situations where leading underscores before lowercase letters are not allowed. In my specific case, I found the _L happened to be reserved by Visual C++ 2005 and ...
Python using enumerate inside list comprehension
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Just to be really clear, this has nothing to do with enumerate and everything to do with list comprehension syntax.
This list comprehension returns a list of tuples:
[(i,j) for i in range(3) for j in 'abc']
this a list of dicts:
[{i:...
How to count occurrences of a column value efficiently in SQL?
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If you're using Oracle, then a feature called analytics will do the trick. It looks like this:
select id, age, count(*) over (partition by age) from students;
If you aren't using Oracle, then you'll need to join back to the counts:
select a.id, a.age, b.age_co...