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PHP namespaces and “use”

I am having a little trouble with namespaces and the use statements. 2 Answers 2 ...
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Is it possible to allow didSet to be called during initialization in Swift?

... Create an own set-Method and use it within your init-Method: class SomeClass { var someProperty: AnyObject! { didSet { //do some Stuff } } init(someProperty: AnyObject) { setSomeProperty(someProperty)...
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List files with certain extensions with ls and grep

I just want to get the files from the current dir and only output .mp4 .mp3 .exe files nothing else. So I thought I could just do this: ...
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Remove duplicate lines without sorting [duplicate]

... The UNIX Bash Scripting blog suggests: awk '!x[$0]++' This command is telling awk which lines to print. The variable $0 holds the entire contents of a line and square brackets are array access. So, for each line of the file, the node of the array x is incremented and the line printed if ...
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Can you have if-then-else logic in SQL? [duplicate]

... The CASE statement is the closest to an IF statement in SQL, and is supported on all versions of SQL Server: SELECT CASE <variable> WHEN <value> THEN <returnvalue> WHEN <othervalue> THEN <returnthis> ELSE <retur...
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Callback of .animate() gets called twice jquery

...mate on: If supplied, the start, step, progress, complete, done, fail, and always callbacks are called on a per-element basis... Since you're animating two elements (the html element, and the body element), you're getting two callbacks. (For anyone wondering why the OP is animating two element...
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How can I check if a View exists in a Database?

... If you found this to decide between a CREATE and ALTER for a view (as I did), this doesn't work for VIEWs - you have to DROP the VIEW* and then CREATE it. The IF EXISTS still works fine for DROPing the VIEW tho, so thanks! :) * Don't forget about any permissions when y...
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How do I query using fields inside the new PostgreSQL JSON datatype?

I am looking for some docs and/or examples for the new JSON functions in PostgreSQL 9.2. 3 Answers ...
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Create a new Ruby on Rails application using MySQL instead of SQLite

...rails project, change the adapter in the config/database.yml file to mysql and make sure you specify a valid username and password, and optionally, a socket: development: adapter: mysql2 database: db_name_dev username: koploper password: host: localhost socket: /tmp/mysql.sock Next, m...
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How to Delete using INNER JOIN with SQL Server?

...d2 w INNER JOIN Employee e ON EmployeeRun=EmployeeNo WHERE Company = '1' AND Date = '2013-05-06' share | improve this answer | follow | ...