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How to read environment variables in Scala
...this has a collection of methods that can be used to get environment info, including
scala.util.Properties.envOrElse("HOME", "/myhome" )
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what is the difference between ajax and jquery and which one is better? [closed]
...library that standardizes the javascript differences cross-browser. jQuery includes some ajax functions.
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How to compare two NSDates: Which is more recent?
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Some date utilities, including comparisons IN ENGLISH, which is nice:
#import <Foundation/Foundation.h>
@interface NSDate (Util)
-(BOOL) isLaterThanOrEqualTo:(NSDate*)date;
-(BOOL) isEarlierThanOrEqualTo:(NSDate*)date;
-(BOOL) isLaterTh...
.NET - Dictionary locking vs. ConcurrentDictionary
...th the respective sweet performance benefit. OTOH the enumeration methods (including the Count property) lock all buckets at once and are therefore worse than a synchronized Dictionary, performance-wise.
I'd say, just use ConcurrentDictionary.
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Not equal != operator on NULL
...s <> that is in the 92 spec but most vendors support != and/or it is included in a later spec like 99 or 03.
– Thomas
Apr 14 '11 at 4:44
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DISTINCT for only one column
...whole rows. I just don't want rows to be returned when the results already include a row with the same value in the Email column.
– Jonathan Wood
Feb 16 '11 at 20:33
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RegEx: Smallest possible match or nongreedy match
...s "match anything from START to END where the in-between characters do not include START again"
– derekantrican
Aug 21 '19 at 16:19
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Using jquery to get element's position relative to viewport
...s to determine if a tooltip was going out-of-bounds, so I have modified to include bottom and right values: jsfiddle.net/EY6Rk/21
– Jordan
Mar 25 '15 at 14:02
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How do I reword the very first git commit message?
...tead of pointing to a specific commit)
This way, the first commit is also included and you can just reword it like any other commit.
The --root option was introduced in Git v1.7.12 (2012). Before then the only option was to use filter-branch or --amend, which is typically harder to do.
Note: see ...
Why do loggers recommend using a logger per class?
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You will always know where a particular log statement came from, if you include the name of the logger in your log output format.
You can control what log statements you see at a fine grained level by turning certain loggers on or off, or setting their level.
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