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How to select only the first rows for each unique value of a column
...e 2nd technique or Ben Thul's technique. I answered what you asked specifically, with pointers on how to solve more generally.
– gbn
Jan 12 '11 at 4:53
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Extract a substring from a string in Ruby using a regular expression
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This is the fastest of all the methods presented, but even the slowest method takes only 4.5 microseconds on my machine. I do not care to speculate why this method is faster. In performance, speculation is useless. Only measurement counts.
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Filtering fiddler to only capture requests for a certain domain
...y. I will not be able to open filers dialog when using fiddler programmatically. Edit the file and adding that is the way i've been looking for.
– m3nda
Feb 11 '15 at 12:55
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How do JavaScript closures work?
...clared outside the function, regardless of when and where the function is called.
If a function was called by a function, which in turn was called by another function, then a chain of references to outer lexical environments is created. This chain is called the scope chain.
In the following code, in...
How to differentiate between time to live and time to idle in ehcache
...cache, then I am confused about what is the use of timeToLive parameter at all. When we did the POC, we are seeing that data is fetched from source after timetoIdleseconds. Although the timetoLive is a much higher value, I would have expected that it is fetched from cache since the timetoLive is mu...
Placeholder in UITextView
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I made a few minor modifications to bcd's solution to allow for initialization from a Xib file, text wrapping, and to maintain background color. Hopefully it will save others the trouble.
UIPlaceHolderTextView.h:
#import <Foundation/Foundation.h>
IB_DESIGNABLE
@interfac...
What is difference between width, innerWidth and outerWidth, height, innerHeight and outerHeight in
... not border
outerWidth / outerHeight - includes padding, border, and optionally margin
height / width - element height (no padding, no margin, no border)
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Can I draw rectangle in XML?
...raw rectangle in XML.
I know how to draw using drawRect method programmatically.
6 Answers
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Timertask or Handler
...is better than TimerTask.
The Java TimerTask and the Android Handler both allow you to schedule delayed and repeated tasks on background threads. However, the literature overwhelmingly recommends using Handler over TimerTask in Android (see here, here, here, here, here, and here).
Some of reporte...
Do we still need end slashes in HTML5?
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@FreeRadical is correct. This answer is technically incorrect, because it confuses an ending slash with an end tag, and thus misunderstands the spec paragraphs that it quotes. This leads to @YannisDran's confusion. @minitech correctly states what is true.
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