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What is a handle in C++?
...to keep a reference to an object, rather than the object itself. What is a more elaborate explanation?
7 Answers
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How to get last inserted row ID from WordPress database?
...nsert() that does the insert, do this:
$lastid = $wpdb->insert_id;
More information about how to do things the WordPress way can be found in the WordPress codex. The details above were found here on the wpdb class page
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Sorting data based on second column of a file
...his doesn't consider spaces in the first column neither works if there are more columns after the second, since -k read until the line end. Supposing it is a TSV file a better solution is sort -t$'\t' -k2 -n FILE
– tuxErrante
Apr 20 '19 at 16:28
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Entity Framework Join 3 Tables
...ted, but I believe the syntax should work for a lambda query. As you join more tables with this syntax you have to drill further down into the new objects to reach the values you want to manipulate.
var fullEntries = dbContext.tbl_EntryPoint
.Join(
dbContext.tbl_Entry,
entryPoi...
What is the proper way to check if a string is empty in Perl?
...h operands to integers before comparing them.
See the perlop man page for more information.
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Kotlin: how to pass a function as parameter to another?
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Catching error codes in a shell pipe
...ility for ages.
This leaks files if you interrupt something. Bomb-proof (more or less) shell programming uses:
tmp=${TMPDIR:-/tmp}/mine.$$
trap 'rm -f $tmp.[12]; exit 1' 0 1 2 3 13 15
...if statement as before...
rm -f $tmp.[12]
trap 0 1 2 3 13 15
The first trap line says 'run the commands 'rm ...
Problems with Android Fragment back stack
...n what's happening is like this (I'm adding numbers to the frag to make it more clear):
// transaction.replace(R.id.detailFragment, frag1);
Transaction.remove(null).add(frag1) // frag1 on view
// transaction.replace(R.id.detailFragment, frag2).addToBackStack(null);
Transaction.remove(frag1).add(f...
How to convert a char array back to a string?
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static and more OOP is a contradiction of terms. Anything declared static is not part an object or its behaviour and hence not object oriented. Besides of this - if there would be any chance that the implementation of String will be cha...
Android Center text on canvas
...ainst this approach. The approach with Paint.getTextBounds() seems to work more accurate.
– andreas1724
Aug 28 '15 at 21:39
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