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How do I query using fields inside the new PostgreSQL JSON datatype?
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180
Postgres 9.2
I quote Andrew Dunstan on the pgsql-hackers list:
At some stage there will p...
Multiline comment in PowerShell
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214
In PowerShell v2 and newer, use the following syntax for the multiline comments:
<# a
b
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How to count occurrences of a column value efficiently in SQL?
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edited Oct 1 '09 at 16:38
answered Oct 1 '09 at 13:30
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How do I pass the this context to a function?
...rguments to your function and .apply() needs an array.
myfunc.call(obj_a, 1, 2, 3);
myfunc.apply(obj_a, [1, 2, 3]);
Therefore, you can easily write a function hook by using the apply() method. For instance, we want to add a feature to jQuerys .css() method. We can store the original function refe...
How can I change the current URL?
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169
document.location.href = newUrl;
https://developer.mozilla.org/en-US/docs/Web/API/document.l...
SQLite string contains other string query
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199
Using LIKE:
SELECT *
FROM TABLE
WHERE column LIKE '%cats%' --case-insensitive
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Gradle to execute Java class (without modifying build.gradle)
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138
There is no direct equivalent to mvn exec:java in gradle, you need to either apply the applica...
Insert a line break in mailto body
...A. Nothing worked for me.
I tested on Gmail, Yahoo, Apple Mail, Outlook 2010, Outlook.com and Thunderbird with Google Chrome on Mac OSX.
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Argmax of numpy array returning non-flat indices
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162
You could use numpy.unravel_index() on the result of numpy.argmax():
>>> a = numpy.r...
Select all child elements recursively in CSS
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641
Use a white space to match all descendants of an element:
div.dropdown * {
color: red;
}
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