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How can you diff two pipelines in Bash?
... filenames like /dev/fd/63 to get a filename that the command can open and read from to actually read from an already-open file descriptor that bash set up before exec'ing the command. (i.e. bash uses pipe(2) before fork, and then dup2 to redirect from the output of quux to an input file descriptor...
How to get a variable name as a string in PHP?
...xample you actually CREATE a variable $FooBar with the value a string just read your manual. This is horrible imho. you never assign the variable $FooBar a value, but it is there. OUCH
– Toskan
Jun 17 '14 at 7:47
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How to create a MySQL hierarchical recursive query
...here a condition is put to only include records for which the parent was already identified as being in the descendant tree (all descendants of the primary parent are progressively added to @pv).
The conditions in this where clause are evaluated in order, and the evaluation is interrupted once the t...
ICollection Vs List in Entity Framework
...first in to designing a few Entity Framework applications. I really didn't read that much documentation and I feel like I am suffering for it now.
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What is Ad Hoc Query?
I'm reading a book about SQL. In that book there's the term Ad Hoc Query , which I don't understand.
10 Answers
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How to set the environmental variable LD_LIBRARY_PATH in linux
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/usr/local/lib is usually already there, so there's no need to edit any files, just sudo ldconfig.
– nyuszika7h
Sep 16 '14 at 15:28
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How to see the values of a table variable at debug time in T-SQL?
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But still don't stop reading! Another awesome option below! Great thread!!
– Mike M
May 25 '15 at 12:33
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/etc/apt/sources.list" E212: Can't open file for writing
... of how to save those changes:
One time Setup demo to create a root owned read only file for a lower user:
sudo touch temp.txt
sudo chown root:root temp.txt
sudo chmod 775 temp.txt
whoami
el
First open the file as normal user:
vi temp.txt
Then make some changes to the file, it warns you its r...
Override back button to act like home button
... be for an Activity to finish normally and be able to recreate itself e.g. reading the current state from a Service if needed. But moveTaskToBack can be used as a quick alternative on occasion.
NOTE: as pointed out by Dave below Android 2.0 introduced a new onBackPressed method, and these recommend...
jQuery selector regular expressions
... The answer below from nickf should be the accepted one. If you are reading this answer, be sure to read that one!
– Quentin Skousen
Sep 17 '14 at 19:58
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