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Why does one often see “null != variable” instead of “variable != null” in C#?
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It's a hold-over from C. In C, if you either use a bad compiler or don't have warnings turned up high enough, this will compile with no warning whatsoever (and is indeed legal code):
// Probably wrong
if (x = 5)
when you actually probably ...
Difference between >>> and >>
...sent a signed number; it simply moves everything to the right and fills in from the left with 0s. Shifting our -2 right one bit using logical shift would give 01111111.
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How do I install Python OpenCV through Conda?
...t if you go to the openCV website and download the binary, the opencv2.pyd from there is >44MB. Furthermore , both pyd files pass the 'import' test. So I wonder why the anaconda repo is much smaller?
– aquagremlin
Apr 2 '16 at 22:57
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In Clojure 1.3, How to read and write a file
... Demanding the next element of the lazy seq results into a line being read from the reader.
Note that from Clojure 1.7 onwards, you can also use transducers for reading text files.
Number 3: how to write to a new file.
(use 'clojure.java.io)
(with-open [wrtr (writer "/tmp/test.txt")]
(.write wr...
How do I iterate over a range of numbers defined by variables in Bash?
... Note that seq $END would suffice, as the default is to start from 1. From man seq: "If FIRST or INCREMENT is omitted, it defaults to 1".
– fedorqui 'SO stop harming'
Aug 5 '14 at 9:06
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How to check if object has any properties in JavaScript?
... object has the specified property as a direct property, and not inherited from the object's prototype chain.
Edit
From the comments: You can put that code in a function, and make it return false as soon as it reaches the part where there is the comment
Performance Test
Test Of Object.Keys vs Fo...
What are the differences between BDD frameworks for Java? [closed]
... different frameworks and environments
Excellent separation of story files from code
Looks to have a pretty active community and much more examples and discussion of it on web.
Quite a steep learning curve (took me 3-4 times longer to figure out than Concordion/EasyB)
I didn't have the chance to t...
Git says “Warning: Permanently added to the list of known hosts”
...my ubuntu machine. It started to behave this way after I used a different (from my default ~/.ssh/id_rsa) key to connect to a server. As @JeremiahGowdy mentioned, I have debug3: load_hostkeys: loading entries for host "172.16.3.101" from file "/dev/null". Why does SSH starts using /dev/null as known...
Calculating frames per second in a game
... will take to settle the "time" variable towards a value (or drift it away from it).
– jox
Jun 6 '15 at 22:08
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Twitter Bootstrap alert message close and open again
...u need to place the close button within the alert.
Definition of .closest from jquery doc:
For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.
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