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What HTTP status response code should I use if the request is missing a required parameter?
...andard, but I would have used 400 Bad Request, which the latest HTTP spec (from 2014) documents as follows:
6.5.1. 400 Bad Request
The 400 (Bad Request) status code indicates that the server cannot or
will not process the request due to something that is perceived to be
a client ...
How to get the last value of an ArrayList
...se an iteration of the list? That doesnt seem very efficient to me. I come from C++, where there are actual front() and back() methods on the list object, that are internally implemented with head and tail references. Is there a similar mechanism in Java?
– Brady
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Mercurial stuck “waiting for lock”
...schooner.uwaterloo.ca/twiki/bin/view/MAG/HgLockError
Here is a transcript from Tortoise Hg Workbench console
% hg debuglocks
lock: user None, process 7168, host HPv32 (114213199s)
wlock: free
[command returned code 1 Sat Jan 07 18:00:18 2017]
% hg debuglocks --force-lock
[command completed succes...
Which is better option to use for dividing an integer number by 2?
...ptimization for signed integers. You should try to look at assembly output from your compiler and see for yourself.
– exDM69
Jun 8 '12 at 9:52
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Merging without whitespace conflicts
...e commit which changes about a thousand lines of code, removing whitespace from the end of lines and removing spaces before tabs.
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Overriding id on create in ActiveRecord
...les that change infrequently and only change by developers. So when going from ActiveHash to ActiveRecord, it's easiest to just keep all of the foreign key references the same.
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How can I create an error 404 in PHP?
...t's not good to REDIRECT to your 404 page, but you can INCLUDE the content from it with no problem. That way, you have a page that properly sends a 404 status from the correct URL, but it also has your "what are you looking for?" page for the human reader.
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When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...irable characteristics and in the absence of legacy usage would be removed from this specification. ...
... Programmers should not use or assume the existence of these features and behaviours when writing new ECMAScript code....
Behaviour:
https://developer.mozilla.org/en-US/docs/Web/JavaScript...
Is !important bad for performance?
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* Transfer the state for |aPropID| (which may be a shorthand)
* from |aFromBlock| to this block. The property being transferred
* is !important if |aIsImportant| is true, and should replace an
* existing !important property regardless of its own importance
* if |aOverrideI...
how to break the _.each function in underscore.js
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You can't break from the each method—it emulates the native forEach method's behavior, and the native forEach doesn't provide to escape the loop (other than throwing an exception).
However, all hope is not lost! You can use the Array.ever...