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Is arr.__len__() the preferred way to get the length of an array in Python?
...The same works for tuples:
my_tuple = (1,2,3,4,5)
len(my_tuple)
# 5
And strings, which are really just arrays of characters:
my_string = 'hello world'
len(my_string)
# 11
It was intentionally done this way so that lists, tuples and other container types or iterables didn't all need to explicit...
SQL Server : Columns to Rows
...icatorname, indicatorvalue);
Finally, if you have 150 columns to unpivot and you don't want to hard-code the entire query, then you could generate the sql statement using dynamic SQL:
DECLARE @colsUnpivot AS NVARCHAR(MAX),
@query AS NVARCHAR(MAX)
select @colsUnpivot
= stuff((select ','+qu...
MySQL: How to copy rows, but change a few fields?
... do it without having to specify the column names?
– Andrew
May 6 '10 at 18:00
4
Not that I'm awa...
How to change theme for AlertDialog
...
In Dialog.java (Android src) a ContextThemeWrapper is used. So you could copy the idea and do something like:
AlertDialog.Builder builder = new AlertDialog.Builder(new ContextThemeWrapper(this, R.style.AlertDialogCustom));
And then style i...
Automatically add all files in a folder to a target using CMake?
...Take a look at this script
param (
[Parameter(Mandatory=$True)]
[string]$root
)
if (-not (Test-Path -Path $root)) {
throw "Error directory does not exist"
}
#get the full path of the root
$rootDir = get-item -Path $root
$fp=$rootDir.FullName;
$files = Get-ChildItem -Path $root -R...
Use PHP to create, edit and delete crontab jobs?
... I used exec('crontab -l', $output). Then implode the $output array into a string (with \n as the glue).
– David Fairbanks
Dec 23 '12 at 1:35
1
...
jQuery: select all elements of a given class, except for a particular Id
...tation: All selectors are accepted inside :not(), for example: :not(div a) and :not(div,a) so just use the comma delimited selectors to do multiple (".thisclass:not(#thisid,#thatid)").doAction();
– Chase
Mar 11 '14 at 1:22
...
Remove .php extension with .htaccess
...ssible, just add #tab to the URL.
Re b.) That's possible using QSA (Query String Append), see below.
This should also work in a sub-directory path:
RewriteCond %{REQUEST_FILENAME}.php -f
RewriteRule !.*\.php$ %{REQUEST_FILENAME}.php [QSA,L]
...
JPA - Returning an auto generated id after persist()
I'm using JPA (EclipseLink) and Spring. Say I have a simple entity with an auto-generated ID:
7 Answers
...
Changing every value in a hash in Ruby
...
If you want the actual strings themselves to mutate in place (possibly and desirably affecting other references to the same string objects):
# Two ways to achieve the same result (any Ruby version)
my_hash.each{ |_,str| str.gsub! /^|$/, '%' }
my_h...