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Swapping column values in MySQL
...becomes X. The most apparent solution would be renaming the columns, but I don't want to make structure changes since I don't necessarily have permissions to do that.
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How can I get an http response body as a string in Java?
I know there used to be a way to get it with apache commons as documented here:
http://hc.apache.org/httpclient-legacy/apidocs/org/apache/commons/httpclient/HttpMethod.html
and an example here:
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How to paste text to end of every line? Sublime 2
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If you're doing this with a regex in a powerful editor like Vim or ST2 you're missing the clue. Why degrade a decent editor into sed?
– sehe
Dec 9 '12 at 3:07
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From ND to 1D arrays
...entioned in answers including unutbu's.
Also want to point out that numpy doc recommend to use arr.reshape(-1) in case view is preferable. (even though ravel is tad faster in the following result)
TL;DR: np.ravel is the most performant (by very small amount).
Benchmark
Functions:
np.rave...
Why is std::map implemented as a red-black tree?
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you make it sound like red-black trees can do tree modifications in O(1) time, which is not true. tree modifications are O(log n) for both red-black and AVL trees. that makes it moot whether the balancing part of the tree modification is O(1) or O(log n) because the...
Why can't I use float value as a template parameter?
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The current C++ standard does not allow float (i.e. real number) or character string literals to be used as template non-type parameters. You can of course use the float and char * types as normal arguments.
Perhaps the author is using a compiler t...
Installing Latest version of git in ubuntu
...untu git maintainers team has a PPA just for that
ppa:git-core/ppa
Just do:
sudo add-apt-repository ppa:git-core/ppa
sudo apt-get update
sudo apt-get install git
If add-apt-repository command is not found, install it first with
sudo apt-get install software-properties-common python-software-p...
Can I add a custom attribute to an HTML tag?
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You can amend your !DOCTYPE declaration (i.e. DTD) to allow it, so that the [XML] document will still be valid:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"
[
<...
How to change the style of the title attribute inside an anchor tag?
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Here is an example of how to do it:
a.tip {
border-bottom: 1px dashed;
text-decoration: none
}
a.tip:hover {
cursor: help;
position: relative
}
a.tip span {
display: none
}
a.tip:hover span {
border: #c0c0c0 1px d...
How to find gaps in sequential numbering in mysql?
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the only problem with this, is that it doesn't "report" a possible initial gap. e.g. if the first 5 ids are missing (1 through 5) it doesn't show that... How could we show pissible gaps at the very begining?
– DiegoDD
Apr 12 ...