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Command line to remove an environment variable from the OS level configuration
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Ah! What do you suppose the rational is for that?? I always avoid admin as much as possible - UNIX/BSD/Linux upbringing. Thanks a mil for the awesome diligence. +1
– caasjj
Apr 5 '16 at 20...
Drop all tables whose names begin with a certain string
...cript generation is that it gives you the chance to review the entirety of what's going to be run before it's actually run.
I know that if I were going to do this against a production database, I'd be as careful as possible.
Edit Code sample fixed.
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Get data from file input in JQuery
...getting this encode \xff\xd8\xff for the 3 first characters of my picture. What should I use to get the second encode for my picture?
– kschaeffler
Sep 6 '12 at 10:22
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Equation (expression) parser with precedence?
...as a lower (or equal to) precedence. In the context of the example, here's what you want to do:
Look at: 1 + 2, don't do anything.
Now look at 1 + 2 * 3, still don't do anything.
Now look at 1 + 2 * 3 + 4, now you know that 2 * 3 has to to be evaluated because the next operator has lower preceden...
Having links relative to root?
...oing / will make it relative to www.example.com, is there a way to specify what the root is, e.g what if i want the root to be www.example.com/fruits in www.example.com/fruits/apples/apple.html?
Yes, prefacing the URL, in the href or src attributes, with a / will make the path relative to the root...
Does Redis persist data?
...ports so-called "snapshots". This means that it will do a complete copy of whats in memory at some points in time (e.g. every full hour). When you lose power between two snapshots, you will lose the data from the time between the last snapshot and the crash (doesn't have to be a power outage..). Red...
Calling a function on bootstrap modal open
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You can use the shown event/show event based on what you need:
$( "#code" ).on('shown', function(){
alert("I want this to appear after the modal has opened!");
});
Demo: Plunker
Update for Bootstrap 3.0
For Bootstrap 3.0 you can still use the shown event but you would...
Get Bitmap attached to ImageView
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when it "does not work", what happens? Does it return null or throw exception or what?
– Sarwar Erfan
Nov 29 '11 at 8:00
2
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Is there any advantage of using map over unordered_map in case of trivial keys?
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RA: You can somewhat control that with your own allocator type combined with any container, if you think it matters for any particular program.
– Roger Pate
Feb 4 '10 at 3:51
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Multi-statement Table Valued Function vs Inline Table Valued Function
... both simply execute a SELECT statement. SQL Server will treat an ITVF somewhat like a VIEW in that it will calculate an execution plan using the latest statistics on the tables in question. A MSTVF is equivalent to stuffing the entire contents of your SELECT statement into a table variable and then...