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Do I need to disable NSLog before release Application?
...u should remove any NSLog statement in your release code, as it just slows down your code, and isn't of any use in a release version. Fortunately, in Xcode 5 (iOS 7), it is amazingly simple to remove all your NSLog statements 'automatically' in release builds. So why not do it.
First the 3 steps to...
Twitter Bootstrap 3 Sticky Footer
...nnot have any padding or margin. */
}
/* Wrapper for page content to push down footer */
#wrap {
min-height: 100%;
height: auto;
/* Negative indent footer by its height */
margin: 0 auto -60px;
/* Pad bottom by footer height */
padding: 0 0 60px;
}
/* Set the fixed height of the footer...
How to delete history of last 10 commands in shell?
...e every other command. E.g. when command 511 is deleted, everything shifts down so 512 becomes the new 511 and 513 is the new 512. Therefor history -d 511 works as expected, then history -d 512 deletes what used to be 513, and 512 remains in the history as command 511. Hope that makes sense.
...
Prevent scrolling of parent element when inner element scroll position reaches top/bottom? [duplicat
...then we are scrolling up. If the wheelDelta is <0 then we are scrolling down.
FireFox: FireFox uses DOMMouseScroll as the event, and populates originalEvent.detail, whose +/- is reversed from what is described above. It generally returns intervals of 3, while other browsers return scrolling in ...
dispatch_after - GCD in Swift?
...ction.
EDIT 2:
In Swift 3, there will be new wrappers for GCD. See here: https://github.com/apple/swift-evolution/blob/master/proposals/0088-libdispatch-for-swift3.md
The original example would be written as follows in Swift 3:
let deadlineTime = DispatchTime.now() + .seconds(1)
DispatchQueue.ma...
DateTime2 vs DateTime in SQL Server
...DATETIME is limited to 3 1/3 milliseconds, while DATETIME2 can be accurate down to 100ns.
Both types map to System.DateTime in .NET - no difference there.
If you have the choice, I would recommend using DATETIME2 whenever possible. I don't see any benefits using DATETIME (except for backward compa...
How should strace be used?
.... This helped to determine why the file system was causing things to slow down.
For an example of analyzing using strace see my answer to this question.
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ALTER TABLE without locking the table?
... table. (Could be managed by a trigger. Although this would cause a slow down, it's not a lock...)
Once finished, change the name of the source table, then change the name of the new table. Preferably in a transaction.
Once finished, recompile any stored procedures, etc that use that table. Th...
Remove Identity from a column in a table
...ce ON 1 = 0
--WHERE t1.InvoiceID = @InvoiceID
For more explanation see:
https://dba.stackexchange.com/a/138345/101038
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Call a python function from jinja2
...
Down voted as question asked about Jinja2 and answer is Flask specific.
– AJP
Nov 24 '14 at 0:12
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