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Is it possible to delete an object's property in PHP?
...se, unset($object['literal_key']) and unset($object->{'literal_key'})). PS Hm, I may be wrong, though, in thinking the thing I'm editing is an object, not an array
– YakovL
Jan 5 '19 at 13:28
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Why is $$ returning the same id as the parent process?
...was ***
dd if=/dev/diskx of=/dev/disky
Then you would use:
PIDs=$(ps | grep dd | grep if | cut -b 1-5)
What happens here is it pipes all needed unique characters to a field and that field can be echoed using
echo $PIDs
...
Difference between Label and TextBlock
...ight than Label and better suited for simpler, noninteractive scenarios.
PS: However, if you want access keys to work or want a more flexible or graphical design, you’ll need to use Label.
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Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss
...ith the -XX:HeapDumpPath= option. For
example -XX:HeapDumpPath=/disk2/dumps
will cause the heap dump to be
generated in the /disk2/dumps
directory.
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Reference alias (calculated in SELECT) in WHERE clause
...tly to calculate) you should probably consider a computed column (and perhaps persisted) instead, especially if a lot of queries refer to this same expression.
PS your fears seem unfounded. In this simple example at least, SQL Server is smart enough to only perform the calculation once, even though...
Fast way to get image dimensions (not filesize)
...y handy
php -r "print_r(getimagesize('http://www.google.com/images/logos/ps_logo2.png'));"
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jQuery: Adding two attributes via the .attr(); method
...the explanation, that's why I chose your answer over Derek's. Thanks Adam. PS. I'll accept your answer in 7 minutes, it's not letting me accept it right now.
– Ricardo Zea
Oct 22 '12 at 15:17
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PostgreSQL: Can you create an index in the CREATE TABLE definition?
... case, for example b VARCHAR(10) NOT NULL INDEX idx_tab_b gin (b gin_trgm_ops) .. how to add more parameters without repeat column name?
– Peter Krauss
Mar 20 at 2:30
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How to link to part of the same document in Markdown?
...e, but the <a name="abcde"/> solution ought to be quite innocuous.
(PS: It might be OK to put the anchor in the line you wish to link to, as follows:
## <a name="head1">Heading One</a>
but this depends on how Markdown treats this. I note, for example, the Stack Overflow answer ...
How to clone ArrayList and also clone its contents?
...e never to
override the clone method and never to invoke it except, perhaps, to
copy arrays. If you design a class for inheritance, be aware that if
you choose not to provide a well-behaved protected clone method, it
will be impossible for subclasses to implement Cloneable.
This book also ...