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Would it be beneficial to begin using instancetype instead of id?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T
...mands on these two connections, since they're running against the same database, but I think errors can occur if commands are issued on both at the same time: errors like "Transaction context in use by another session"
Q3. Yes, it gets escalated to a distributed transaction, so enlisting more than ...
How to add a search box with icon to the navbar in Bootstrap 3?
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I've forked your Fiddle and tweaked it: JSFiddle Based on the BS3 docs for Button addons I think that's the best you're going to get. Note that I removed the non-visible field label, which returned the corner radius on the left side. I'll again update the answer code.
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How can I exclude all “permission denied” messages from “find”?
...be captured in a file anyway (or suppressed altogether), then the pipeline-based solution from Jonathan Leffler's answer is simple, robust, and POSIX-compliant:
find . 2>&1 >files_and_folders | grep -v 'Permission denied' >&2
Note that the order of the redirections matters: 2>...
Difference between Covariance & Contra-variance
...th highly substitutable types. The key to get this consistency is sub type based conformance, if you work in a statically typed language. (We'll discuss the Liskov Substitution Principle (LSP) on a high level here.)
Practical examples (pseudo code/invalid in C#):
Covariance: Let's assume Birds ...
How to detect when an Android app goes to the background and come back to the foreground
...ssuming you have YourApplication and the MemoryBoss classes, in your class BaseActivity extends Activity (you will need to create one if you don't have one).
@Override
protected void onStart() {
super.onStart();
if (mApplication.wasInBackground()) {
// HERE YOU CALL THE CODE YOU WA...
Why not use always android:configChanges=“keyboardHidden|orientation”?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...ost everything fits right in terms of RAII: exception safety, mutexes, database connections, database requests, server connection, clocks, OS handles, etc., and last, but not least, memory.
The database part is not negligible, as, if you accept to pay the price, you can even write in a "transaction...
Why can't I initialize non-const static member or static array in class?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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std::function vs template
... the type and number of the registered callbacks is determined at run-time based on the state of your program and the application logic. Some of those callbacks could be functors, some could be plain functions, some could be the result of binding other functions to certain arguments.
std::function ...