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When should iteritems() be used instead of items()?
...to be iterated over, or materialised... So, list(dict.items()) is required for what was dict.items() in Python 2.x.
Python 2.7 also has a bit of a back-port for key handling, in that you have viewkeys, viewitems and viewvalues methods, the most useful being viewkeys which behaves more like a set (w...
How to get the command line args passed to a running process on unix/linux systems?
...rent. The ps command will work everywhere, the /proc stuff is OS specific. For example on AIX there is no cmdline in /proc.
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VIM Ctrl-V Conflict with Windows Paste
...mmand-line mode to get the old meaning of CTRLV. But CTRLQ
doesn't work for terminals when it's used for control flow.
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Cannot use a CONTAINS or FREETEXT predicate on table or indexed view because it is not full-text ind
...ion(Description)
key index PK_ProductDescription_ProductDescriptionID
Before you create the index, make sure:
- you don't already have full-text search index on the table as only one full-text search index allowed on a table
- a unique index exists on the table. The index must be based ...
Breaking/exit nested for in vb.net
How do I get out of nested for or loop in vb.net?
6 Answers
6
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adding multiple entries to a HashMap at once in one statement
...ase refer to the thread Efficiency of Java “Double Brace Initialization" for the performance implications that it might have.
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Retrieve CPU usage and memory usage of a single process on Linux?
...just in time CPU usage. It can also be very different from what top shows, for instance.
– xebeche
Mar 27 '13 at 17:23
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Can I load a UIImage from a URL?
I have a URL for an image (got it from UIImagePickerController) but I no longer have the image in memory (the URL was saved from a previous run of the app). Can I reload the UIImage from the URL again?
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PHP session lost after redirect
...st, carry out these usual checks:
Make sure session_start(); is called before any sessions are being called. So a safe bet would be to put it at the beginning of your page, immediately after the opening <?php declaration before anything else. Also ensure there are no whitespaces/tabs before the...
Java volatile reference vs. AtomicReference
....concurrent.atomic package documentation. To quote:
The memory effects for accesses and updates of atomics generally follow the rules for volatiles:
get has the memory effects of reading a volatile variable.
set has the memory effects of writing (assigning) a volatile variable.
By...