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Check if table exists without using “select from”
Is there a way to check if a table exists without selecting and checking values from it?
17 Answers
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How to prune local tracking branches that do not exist on remote anymore
...e branches with git branch -r. The list of branches with their remote tracking branch can be retrieved with git branch -vv. So using these two lists you can find the remote tracking branches that are not in the list of remotes.
This line should do the trick (requires bash or zsh, won't work with s...
How to comment in Vim's config files: “.vimrc”?
How do I add a comment in Vim's configuration files, like .vimrc?
3 Answers
3
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np.mean() vs np.average() in Python NumPy?
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np.average takes an optional weight parameter. If it is not supplied they are equivalent. Take a look at the source code: Mean, Average
np.mean:
try:
mean = a.mean
except AttributeError:
return _wrapit(a, 'mean', axis, dtype, ...
Proper way to return JSON using node or Express
...e is a string too, if you want to send the response prettified, for some awkward reason, you could use something like JSON.stringify(anObject, null, 3)
It's important that you set the Content-Type header to application/json, too.
var http = require('http');
var app = http.createServer(function(req,...
How do I get the different parts of a Flask request's url?
I want to detect if the request came from the localhost:5000 or foo.herokuapp.com host and what path was requested. How do I get this information about a Flask request?
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How to set the margin or padding as percentage of height of parent container?
I had been racking my brains over creating a vertical alignment in css using the following
8 Answers
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How to print register values in GDB?
... answered Mar 25 '11 at 6:09
geekosaurgeekosaur
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Can I get CONST's defined on a PHP class?
...lection for this. Note that if you are doing this a lot you may want to looking at caching the result.
<?php
class Profile {
const LABEL_FIRST_NAME = "First Name";
const LABEL_LAST_NAME = "Last Name";
const LABEL_COMPANY_NAME = "Company";
}
$refl = new ReflectionClass('Profile');
p...
Rename a file in C#
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Take a look at System.IO.File.Move, "move" the file to a new name.
System.IO.File.Move("oldfilename", "newfilename");
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