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Alternate output format for psql
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I just needed to spend more time staring at the documentation. This command:
\x on
will do exactly what I wanted. Here is some sample output:
select * from dda where u_id=24 and dda_is_deleted='f';
-[ RECORD 1 ]------+----------------------------------------------------------------------...
What are the differences between LDAP and Active Directory?
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How to find unused images in an Xcode project?
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Unable to hide welcome screen in Emacs
... is the newer version. I don't know in which version that changed.
http://www.gnu.org/software/emacs/manual/html_node/emacs/Initial-Options.html
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Is there a better alternative than this to 'switch on type'?
...ack detailing how to build a TypeSwitch structure.
https://docs.microsoft.com/archive/blogs/jaredpar/switching-on-types
Short version: TypeSwitch is designed to prevent redundant casting and give a syntax that is similar to a normal switch/case statement. For example, here is TypeSwitch in action ...
Highlight all occurrence of a selected word?
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In Normal mode:
:set hlsearch
Then search for a pattern with the command / in Normal mode, or <Ctrl>o followed by / in Insert mode. * in Normal mode will search for the next occurrence of the word under the cursor. The hlsearch option will highlight all of them if set. # will search ...
Why are regular expressions so controversial? [closed]
...eem to see regular expressions as the Holy Grail. Something that looks so complicated - just must be the answer to any question. They tend to think that every problem is solvable using regular expressions.
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Do you (really) write exception safe code? [closed]
...d in an article his experience about making the STL exception safe:
http://www.boost.org/community/exception_safety.html
Look at the 7th point (Automated testing for exception-safety), where he relies on automated unit testing to make sure every case is tested. I guess this part is an excellent answ...
Best way to represent a fraction in Java?
... impossible).
*/
public final class BigFraction extends Number implements Comparable<BigFraction>
{
private static final long serialVersionUID = 1L; //because Number is Serializable
private final BigInteger numerator;
private final BigInteger denominator;
public final static BigFract...
How to step through Python code to help debug issues?
...db by using pdb myscript.py or python -m pdb myscript.py.
There are a few commands you can then issue, which are documented on the pdb page.
Some useful ones to remember are:
b: set a breakpoint
c: continue debugging until you hit a breakpoint
s: step through the code
n: to go to next line of co...
