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OpenJDK availability for Windows OS [closed]
Is there any OpenJDK version available to Windows OS? From the OpenJDK home page ( http://openjdk.java.net/ ) it redirects to Oracle Sun JRE for Windows machine.
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Python - List of unique dictionaries
...f the dict will be the list
In Python2.7
>>> L=[
... {'id':1,'name':'john', 'age':34},
... {'id':1,'name':'john', 'age':34},
... {'id':2,'name':'hanna', 'age':30},
... ]
>>> {v['id']:v for v in L}.values()
[{'age': 34, 'id': 1, 'name': 'john'}, {'age': 30, 'id': 2, 'name': 'hanna...
.gitignore for PhoneGap/Cordova 3.0 projects - what should I commit?
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Shameless plug for my Cordova gitignore: gist.github.com/elliot-labs/c92b3e52053906816074170ada511962
– Elliot Labs LLC
Jun 19 at 2:21
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#1071 - Specified key was too long; max key length is 1000 bytes
...er column as you define the index. For example:
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KEY `index` (`parent_menu_id`,`menu_link`(50),`plugin`(50),`alias`(50))
...
But what's the best prefix length for a given column? Here's a method to find out:
SELECT
ROUND(SUM(LENGTH(`menu_link`)<10)*100/COUNT(`menu_link`),2) AS pct_lengt...
Best XML Parser for PHP [duplicate]
... an extension, written in C, and is very fast. But second, the parsed document takes the form of a PHP object. So you can "query" like $root->myElement.
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How to set a default value for a datetime column to record creation time in a migration?
...::Migration[5.0]
def change
create_table :posts do |t|
t.datetime :modified_at, default: -> { 'CURRENT_TIMESTAMP' }
t.timestamps
end
end
end
See discussion at https://github.com/rails/rails/issues/27077 and answer there by prathamesh-sonpatki
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Keep file in a Git repo, but don't track changes
...want to be tracked and use the following command:
git update-index --assume-unchanged FILE_NAME
and if you want to track the changes again use this command:
git update-index --no-assume-unchanged FILE_NAME
git-update-index documentation
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Direct casting vs 'as' operator?
...- it's simple and straightforward. I tend to almost never use 2 since if something is not the right type, I usually expect an exception to occur. I have only seen a need for this return-null type of functionality with badly designed libraries which use error codes (e.g. return null = error, instead ...
How to identify server IP address in PHP
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No. On some shared hosts this returns ::1
– TheRealChx101
Aug 2 '14 at 6:18
3
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Skip certain tables with mysqldump
...ou can use the --ignore-table option. So you could do
mysqldump -u USERNAME -pPASSWORD DATABASE --ignore-table=DATABASE.table1 > database.sql
There is no whitespace after -p (this is not a typo).
If you want to ignore multiple tables you can use a simple script like this
#!/bin/bash
PASSWOR...