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It is more efficient to use if-return-return or if-else-return?
...sing a switch construct or for Python, enumerating a dict/using a callable/etc.). Therefore almost all if-else-return are cases of guard clauses and those are always testable (mock the tested expression) without the else.
– cowbert
Mar 28 '18 at 3:22
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Need to log asp.net webapi 2 request and response body to a database
... question of volume the site handles, the performance of logging facility, etc. That's beyond OPs post.
– LB2
Feb 22 '17 at 0:05
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How does PHP 'foreach' actually work?
...ointer backup+restore mechanism is that changes to the IAP through reset() etc. usually do not impact foreach. For example, the following code executes as if the reset() were not present at all:
$array = [1, 2, 3, 4, 5];
foreach ($array as &$value) {
var_dump($value);
reset($array);
}
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Rails Observer Alternatives for 4.0
...cation (consider nested forms, model business logic updating associations, etc.)
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Exploring Docker container's file system
... are relative to the root of the filesystem. #> docker cp 7bb0e258aefe:/etc/debian_version . #> docker cp blue_frog:/etc/hosts .
– Amos Folarin
Apr 24 '14 at 11:37
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How do I format a Microsoft JSON date?
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@yanant - the +a[1] etc represents the array pieces of the regex and the + would cast it to a number, so +a[1] equals 2009 etc. Here is the array breakdown: 0: "2009-04-12T20:44:55" 1: "2009" 2: "04" 3: "12" 4: "20" 5: "44" 6: "55"
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Which Java Collection should I use?
...hart does not try and cover things like synchronized access, thread safety etc or the legacy collections, but it does cover the 3 standard Sets, 3 standard Maps and 2 standard Lists.
This image was created for this answer and is licensed under a Creative Commons Attribution 4.0 International Lice...
Anaconda vs. EPD Enthought vs. manual installation of Python [closed]
...f Python packages for scientific computing, data science, web development, etc. It also provides a superior environment tool, conda, which allows to easily switch between environments, even between Python 2 and 3. It is also updated very quickly as soon as a new version of a package is released, and...
Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?
... a keyword. I prefer it to while (true), while (1), while (42), while (!0) etc etc.
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How can jQuery deferred be used?
...ore it's returned immediately from the cache. Otherwise, an AJAX request fetches the data and adds it to the cache. The $.when/.then doesn't care about any of this; all you need to be concerned about is using the response, which is passed to the .then() handler in both cases. jQuery.when() handles...