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vim command to restructure/force text to 80 columns

... And it also works with visual selections. Ie something like: V}gq. In this way you see what you are going to format before actually formatting it. – Plouff Dec 2 '14 at 11:09 ...
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Select data from date range between two dates

...uch more simple (only two cases against four). Your SQL will look like: SELECT * FROM Product_sales WHERE NOT (From_date > @RangeTill OR To_date < @RangeFrom) share | improve this answer ...
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How to create a sequence of integers in C#?

... Linq projection with the rarely used indexer overload (i): (new int[11]).Select((o,i) => i) I prefer this method for its flexibilty. For example, if I want evens: (new int[11]).Select((item,i) => i*2) Or if I want 5 minute increments of an hour: (new int[12]).Select((item,i) => i*5...
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How to write UPDATE SQL with Table alias in SQL Server 2008?

... Mark Byers - Great Answer!! This syntax allows me to add a commented out Select statement, which allows me to test the update by doing the select first (highlight from the select down and execute): SET Q.TITLE = 'TEST' -- SELECT * – user1636464 Aug 30 '12 at ...
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What does the “~” (tilde/squiggle/twiddle) CSS selector mean?

... The ~ selector is in fact the General sibling combinator (renamed to Subsequent-sibling combinator in selectors Level 4): The general sibling combinator is made of the "tilde" (U+007E, ~) character that separates two sequence...
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autolayout - make height of view relative to half superview height

...lso need to setup bottom, left, and right constraints, like normal) . Then select the constraint and navigate to the Attribute inspector: Then you can adjust the multiplier. If you want it 50% of the super view leave it at 1, since it is aligned per the super's center. This is also a great way to...
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How can I drop all the tables in a PostgreSQL database?

... You can write a query to generate a SQL script like this: select 'drop table "' || tablename || '" cascade;' from pg_tables; Or: select 'drop table if exists "' || tablename || '" cascade;' from pg_tables; In case some tables are automatically dropped due to cascade option in a...
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MySQL: @variable vs. variable. What's the difference?

...ialize this variable with a SET statement or inside a query: SET @var = 1 SELECT @var2 := 2 When you develop a stored procedure in MySQL, you can pass the input parameters and declare the local variables: DELIMITER // CREATE PROCEDURE prc_test (var INT) BEGIN DECLARE var2 INT; SET var2 =...
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How do I prompt for Yes/No/Cancel input in a Linux shell script?

...";; esac done Another method, pointed out by Steven Huwig, is Bash's select command. Here is the same example using select: echo "Do you wish to install this program?" select yn in "Yes" "No"; do case $yn in Yes ) make install; break;; No ) exit;; esac done With sele...
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CSS Input with width: 100% goes outside parent's bound

...il" class="login-field"> <label for="email" style="-moz-user-select: none;-webkit-user-select: none;" onselectstart="return false;">E-mail address</label> <span><input name="email" id="email" type="text" /></span> </div> <div clas...