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Legality of COW std::string implementation in C++11
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It's not allowed, because as per the standard 21.4.1 p6, invalidation of iterators/references is only allowed for
— as an argument to any standard library function taking a reference
to non-const basic_string as an argument.
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How can I verify if a Windows Service is running
...implemented as a Windows Service. When the device boots, this service typically takes some time to start. I'd like to check, from my code, if the service is running. How can I accomplish this?
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How to restart Activity in Android
...his:
Intent intent = getIntent();
finish();
startActivity(intent);
Basically, I'm calling finish() first, and I'm using the exact same intent this activity was started with. That seems to do the trick?
UPDATE: As pointed out by Ralf below, Activity.recreate() is the way to go in API 11 and beyon...
UITableView, Separator color where to set?
...ve added a UITableView in IB and set the "delegate" and "datasource" and all is working well. What I wanted to do next was change the separator color, but the only way I could find to do this was to add the method to one of the delegate callbacks, is there a better place I should put this?
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Which selector do I need to select an option by its text?
...down when a short comment would suffice. Or do you expect of him to retest all his answers for every new release of jQuery?
– WynandB
Nov 14 '13 at 23:51
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“Items collection must be empty before using ItemsSource.”
...wise you can spend a lot of time looking at ItemSource's etc only to eventually find that its caused by a small typo.
– pjm
Nov 21 '16 at 12:31
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Android Studio: Module won't show up in “Edit Configuration”
...or me just clicking the "Sync Project with Gradle Files" fixed it. I was really worried I had busted things beyond repair.
– startoftext
Aug 17 '15 at 6:13
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Differences between Line and Branch coverage
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Line coverage measures how many statements you took (a statement is usually a line of code, not including comments, conditionals, etc). Branch coverages checks if you took the true and false branch for each conditional (if, while, for). You'll have twice as many branches as conditionals.
Why do...
How to find the size of an array in postgresql
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cardinality returns the number of all the elements in a single or multidimensional array. So select cardinality(ARRAY[[1,2], [3,4]]); would return 4, whereas select array_length(ARRAY[[1,2], [3,4]], 1) would return 2. If you're counting the first dimension, a...
Building and running app via Gradle and Android Studio is slower than via Eclipse
...-Dfile.encoding=UTF-8
# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. More details, visit
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
org.gradle.parallel=true
# Enables ne...