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How to check if all of the following items are in a list?
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Operators like <= in Python are generally not overriden to mean something significantly different than "less than or equal to". It's unusual for the standard library does this--it smells like legacy API to me.
Use the equivalent and more clearly-named method, ...
Sorting Python list based on the length of the string
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def lensort(list_1):
list_2=[];list_3=[]
for i in list_1:
list_2.append([i,len(i)])
list_2.sort(key = lambda x : x[1])
for i in list_2:
list_3.append(i[0])
return list_3
This works for me!
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MySQL query to get column names?
I'd like to get all of a mysql table's col names into an array in php?
21 Answers
21
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Changing selection in a select with the Chosen plugin
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From the "Updating Chosen Dynamically" section in the docs: You need to trigger the 'chosen:updated' event on the field
$(document).ready(function() {
$('select').chosen();
$('button').click(function() {
$('select').val(2);
$('sel...
How to rollback a specific migration?
...nt to go back.
For example:
rake db:rollback STEP=5
Will also rollback all the migration that happened later (4, 3, 2 and also 1).
To roll back all migrations back to (and including) a target migration, use: (This corrected command was added AFTER all the comments pointing out the error in the ...
ERROR:'keytool' is not recognized as an internal or external command, operable program or batch file
... C:\Program Files\Java\jdk1.6.0_21\bin>keytool -list -alias androiddebugkey -keystore .android\debug.keystore -storepass android -keypass android. the error i got is keytool error: java.lang.Exception: Key...
How to query SOLR for empty fields?
...ou need to change QueryParameter.cs (Create a new parameter)
private bool _negativeQuery = false;
public QueryParameter(string field, string value, ParameterJoin parameterJoin = ParameterJoin.AND, bool negativeQuery = false)
{
this._field = field;
this._value = value.Trim();
this._para...
Why can't code inside unit tests find bundle resources?
... main bundle. I have the following a problem. I am loading a png file. Normally this file is not in the main bundle due the user downloads it from a server. But for a test I want to use a file from the test bundle without copying it into the main bundle.
– Chris
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URLs: Dash vs. Underscore [closed]
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Reasonable guess, but as it turns out, totally untrue. -1.
– Mark Amery
Feb 4 '15 at 23:29
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Where do I find the current C or C++ standard documents?
...9:1990 Hardcopy available from SAI Global ($88 + shipping)
You cannot usually get old revisions of a standard (any standard) directly from the standards bodies shortly after a new edition of the standard is released. Thus, standards for C89, C90, C99, C++98, C++03 will be hard to find for purchas...