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Why aren't pointers initialized with NULL by default?
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We all realize that pointer (and other POD types) should be initialized.
The question then becomes 'who should initialize them'.
Well there are basically two methods:
The compiler initializes them.
The developer initializes...
Hide keyboard when scroll UITableView
...to our UITableViewController class
override func scrollViewDidScroll(_ scrollView: UIScrollView) {
if !tableView.isDecelerating {
view.endEditing(true)
}
}
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Liquibase lock - reasons?
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There is a built-in command in Liquibase called releaseLocks that would execute what @Adrian Ber answered but I think it is database agnostic.
– user1434769
Oct 26 '15 at 11:17
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How to set HttpResponse timeout for Android in Java
...oment once my HTTP request is made, I then check the status code upon the call returning, however I get a NullPointerException when checking this code if the call has timed out... basically, how do I handle the situation when the call does timeout? (I'm using very similar code to your answer given)
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Running python script inside ipython
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from within the directory of "my_script.py" you can simply do:
%run ./my_script.py
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CORS - What is the motivation behind introducing preflight requests?
...rticular HTTP verb", "Now I'll allow cookies/auth information to be sent", etc. This scenario benefits from the preflight mechanism.
New servers that are written with an awareness of CORS. According to standard security practices, the server has to protect its resources in the face of any incoming r...
Visual Studio jump to next error shortcut?
... jumps to next item (be it errors, search results, symbol reference search etc). It depends on which pane had your focus last.
– nawfal
Feb 7 at 10:05
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JVM option -Xss - What does it do exactly?
...he stack is used to hold return addresses, function/method call arguments, etc. So if a thread tends to process large structures via recursive algorithms, it may need a large stack for all those return addresses and such. With the Sun JVM, you can set that size via that parameter.
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What is a reasonable code coverage % for unit tests (and why)? [closed]
... in the day-to-day development of the software (managers, technical leads, etc.) Saying "we're going to write all the tests we really need" is not convincing: They either need to trust entirely, or verify with ongoing close oversight (assuming they even have the technical understanding to do so.) Pr...
MySQL: determine which database is selected?
After calling mysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected").
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