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Android Log.v(), Log.d(), Log.i(), Log.w(), Log.e() - When to use each one?
... places like inside a catch statement. You know that an error has occurred and therefore you're logging an error.
Log.w: Use this when you suspect something shady is going on. You may not be completely in full on error mode, but maybe you recovered from some unexpected behavior. Basically, use this ...
Javascript set img src
... a dynamically generated page. So the obvious thing to do is to preload it and use that one variable as the source all the time.
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indexOf method in an object array?
...ed every iteration anew. See also stackoverflow.com/questions/5349425/… and stackoverflow.com/questions/8452317/… However, if performance is not high prio it doesn't really matter.
– loother
Apr 20 '16 at 15:09
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How to delete history of last 10 commands in shell?
Commands follows
18 Answers
18
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Real escape string and PDO [duplicate]
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You should use PDO Prepare
From the link:
Calling PDO::prepare() and PDOStatement::execute() for statements that will be issued multiple times with different parameter values optimizes the performance of your application by allowing the driver to negotiate client and/or server side caching...
How do you launch the JavaScript debugger in Google Chrome?
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looking at this question makes me understand how much my javascript skills improved from novice levels to quite decent standards
– Kamal Reddy
Jun 5 '13 at 8:43
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Python call function within class
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What happens if we dont use self? and directly call distToPoint(p)?
– Marlon Abeykoon
Aug 16 '16 at 4:30
4
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On showing dialog i get “Can not perform this action after onSaveInstanceState”
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This is common issue.
We solved this issue by overriding show() and handling exception in DialogFragment extended class
public class CustomDialogFragment extends DialogFragment {
@Override
public void show(FragmentManager manager, String tag) {
try {
Fragment...
Swap key with value JSON
...rmance good? Semantic is perfect: we can see that is really a simple "map and swap" solution.
– Peter Krauss
Jan 3 '19 at 17:41
1
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How to prevent text in a table cell from wrapping
...he text in a table cell from wrapping? This is for the header of a table, and the heading is a lot longer than the data under it, but I need it to display on only one line. It is okay if the column is very wide.
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