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When to use SELECT … FOR UPDATE?
...ences below?
– Gili
May 7 '13 at 18:42
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convert a list of objects from one type to another using lambda expression
I have a foreach loop reading a list of objects of one type and producing a list of objects of a different type. I was told that a lambda expression can achieve the same result.
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What is a thread exit code?
What exactly is a thread exit code in the Output window while debugging? What information it gives me? Is it somehow useful or just an internal stuff which should not bother me?
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capturing self strongly in this block is likely to lead to a retain cycle
...f) weakSelf = self; thanks fo the help @Tim
– user1845209
Jan 28 '13 at 6:51
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Good answer, but ...
Please explain the exec() function and its family
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Simplistically, in UNIX, you have the concept of processes and programs. A process is an enviro...
C++ performance vs. Java/C#
...uery the machine. It can determine if the machine is Intel or AMD; Pentium 4, Core Solo, or Core Duo; or if supports SSE4, etc.
A C++ program has to be compiled beforehand usually with mixed optimizations so that it runs decently well on all machines, but is not optimized as much as it could be for...
Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
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Replace tabs with spaces in vim
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D.ShawleyD.Shawley
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Removing duplicate rows from table in Oracle
I'm testing something in Oracle and populated a table with some sample data, but in the process I accidentally loaded duplicate records, so now I can't create a primary key using some of the columns.
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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
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As pointed out in this answer, Django 1.9 added the Field.disabled attribute:
The disabled...