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vector::at vs. vector::operator[]
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it forces me to wrap it with try-catch block
No it doesn't (the try/catch block can be upstream). It is useful when you want an exception to be thrown rather than your program to enter undefined behavior realm.
I agree that most out of bounds accesses to vector...
How to delete shared preferences data from App in Android
...pply() instead of commit() to do the task in a background thread. commit() blocks and write data to storage instantly. apply() is asynchronous.
– Vaibhav
Sep 9 '19 at 7:10
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How to detect incoming calls, in an Android device?
...u at least need a MainActivity even if it's only opened once. Take my call blocking app RoboStop for example: When the user downloads the app for the first time, and then clicks on the app icon to launch the app, they are then prompted to grant my app the necessary permissions. The app also features...
CSS selector for “foo that contains bar”? [duplicate]
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yea i know, php much
– Muhammad Umer
Aug 23 '13 at 15:37
27
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What is the etymology of 'slug'? [closed]
...meaning #1 in the other answer. See also the dates in etymonline.com/index.php?term=slug
– Walter Tross
Jan 1 '16 at 11:36
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How to switch a user per task or set of tasks?
..., the default being sudo.
The directive is in effect for the scope of the block in which it is used (examples).
See Hosts and Users for some additional examples and Become (Privilege Escalation) for more detailed documentation.
In addition to the task-scoped become and become_user directives, Ans...
Uncaught ReferenceError: jQuery is not defined [duplicate]
...c="http://code.jquery.com/jquery-1.10.1.min.js"
in wp-admin/admin-header.php
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How do you properly use namespaces in C++?
...on level as you suggest rather than at the .cpp file level or namespace {} block level within the .cpp is that it helps greatly with single-compilation-unit builds. "using namespace" is transitive, and applies for namespace A across discrete namespace A {} blocks in the same unit, so for single-comp...
How to design a multi-user ajax web application to be concurrently safe
...r cruel to your infrastructure if you do not configure your (Apache?) and (php?) well enough to be "lightweight" starters. It is desirable to optimize the polling request on the serverside so that it runs for far less time than the length of the polling interval. Splitting that runtime in half might...
How do I make a composite key with SQL Server Management Studio?
...ign table tab
Highlight your two INT fields (Ctrl/Shift+click on the grey blocks in the very first column)
Right click -> Set primary key
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