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Is Redis just a cache?
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No, Redis is much more than a cache.
Like a Cache, Redis stores key=value pairs. But unlike a cache, Redis lets you operate on the v...
How to determine the first and last iteration in a foreach loop?
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Should I call Close() or Dispose() for stream objects?
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103
A quick jump into Reflector.NET shows that the Close() method on StreamWriter is:
public overr...
Can Selenium interact with an existing browser session?
...me working code which claims to support this: https://web.archive.org/web/20171214043703/http://tarunlalwani.com/post/reusing-existing-browser-session-selenium-java/.
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Does JavaScript guarantee object property order?
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The iteration order for objects follows a certain set of rules since ES2015, but it does not (a...
PHP and Enumerations
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Depending upon use case, I would normally use something simple like the following:
abstract cl...
Variable declared in for-loop is local variable?
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The reason you are not allowed to define a variable with the same name in both the for-loop as w...
How can I setup & run PhantomJS on Ubuntu?
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Guidouil's answer put me on the right track. I had to add one additional symlink to /usr/bin/, a...
How to restore to a different database in sql server?
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The smallest difference between 2 Angles
...his gives a signed angle for any angles:
a = targetA - sourceA
a = (a + 180) % 360 - 180
Beware in many languages the modulo operation returns a value with the same sign as the dividend (like C, C++, C#, JavaScript, full list here). This requires a custom mod function like so:
mod = (a, n) ->...