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Check if value exists in Postgres array
... Crom, I have spent the last four years thinking that I couldn't use array comparators in WHERE clauses. Those days are gone now. (I was dropped on my head as a child, so maybe it's just me).
– GT.
Aug 5 '16 at 7:35
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How to use Servlets and Ajax?
...equest content type to application/json instead of (default) application/x-www-form-urlencoded. This can't be done via $.post() convenience function, but needs to be done via $.ajax() as below.
var data = {
foo: "fooValue",
bar: "barValue",
baz: "bazValue"
};
$.ajax({
type: "POST",...
How do I “decompile” Java class files? [closed]
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Update February 2016:
www.javadecompilers.com lists JAD as being:
the most popular Java decompiler, but primarily of this age only. Written in C++, so very fast.
Outdated, unsupported and does not decompile correctly Java 5 and later
So yo...
Transitions with GStreamer Editing Services freezes, but works OK without transitions
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Find integer index of rows with NaN in pandas dataframe
I have a pandas DataFrame like this:
11 Answers
11
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Postgres could not connect to server
...de.
In my case, it happened when upgrading from 9.3 to 9.4.
See http://www.postgresql.org/docs/9.4/static/upgrading.html
OS X/Homebrew:
Try running postgres -D /usr/local/var/postgres -- it will give you a much more verbose output if postgres fails to start.
In my case, running rm -rf /usr/lo...
Use cases for the 'setdefault' dict method
... for setting defaults while or after filling the dict.
Probably the most common use case: Grouping items (in unsorted data, else use itertools.groupby)
# really verbose
new = {}
for (key, value) in data:
if key in new:
new[key].append( value )
else:
new[key] = [value]
# ...
Scope of sessionStorage and localStorage
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
SQL Server SELECT INTO @variable?
...
Sounds like you want temp tables.
http://www.sqlteam.com/article/temporary-tables
Note that #TempTable is available throughout your SP.
Note the ##TempTable is available to all.
share
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Single script to run in both Windows batch and Linux Bash?
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What I have done is use cmd’s label syntax as comment marker. The label character, a colon (:), is equivalent to true in most POSIXish shells. If you immediately follow the label character by another character which can’t be used in a GOTO, then commenting your cmd scr...