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Using IPython notebooks under version control
.../ipynb_output_filter.py
git config --global filter.dropoutput_ipynb.smudge cat
Done!
Limitations:
it works only with git
in git, if you are in branch somebranch and you do git checkout otherbranch; git checkout somebranch, you usually expect the working tree to be unchanged. Here instead you w...
SQL select join: is it possible to prefix all columns as 'prefix.*'?
...result set for a list of columns in a scripting language such as Python or PHP.
SELECT '' as table1_dummy, table1.*, '' as table2_dummy, table2.*, '' as table3_dummy, table3.* FROM table1
JOIN table2 ON table2.table1id = table1.id
JOIN table3 ON table3.table1id = table1.id
I realize this doesn't ...
Detect if stdin is a terminal or pipe?
...S S_ISCHR
./test ≺ test.cc /dev/tty OK NO S_ISREG
cat test.cc | ./test /dev/tty OK NO S_ISFIFO
echo ./test | at now /dev/tty FAIL NO S_ISREG
The results are from a Ubuntu Linux 11.04 system using following program:
#include <stdio.h>
#inclu...
Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
... && l.GetAttributeValue("data-hovercard").Contains("user.php")
&& l.Text != null
).LastOrDefault();
if (lastLink == null || previousLastLink == lastLink)
{
break;
}
var ieElement = lastLink.Native...
Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
...(d, ensure_ascii=False, encoding='utf8')
json_file.write(unicode(data))
cat filename
{"keyword": "bad credit çredit cards"}
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Optimistic vs. Pessimistic locking
...rity than optimistic locking but requires you to be careful with your application design to avoid Deadlocks. To use pessimistic locking you need either a direct connection to the database (as would typically be the case in a two tier client server application) or an externally available transaction...
What techniques can be used to define a class in JavaScript, and what are their trade-offs?
...Self)
multimethod-based OO (first introduced by CommonLoops, I think)
predicate-based OO (no idea)
And probably others I don't know about.
JavaScript implements prototype-based OO. In prototype-based OO, new objects are created by copying other objects (instead of being instantiated from a class ...
Java EE web development, where do I start and what skills do I need? [closed]
..., css, etc) just like a web server does. It is comparable to Apache with a php module.
– Nemi
Dec 24 '09 at 16:16
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How to find and return a duplicate value in array
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@Kalanamith you can get duplicated values using this a.select {|e| a.count(e) > 1}.uniq
– Naveed
Jul 12 '13 at 16:34
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RESTful API methods; HEAD & OPTIONS
I'm writing a RESTful API module for an application in PHP, and I'm a bit mixed on the verbs HEAD and OPTIONS .
3 Answer...