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Select by partial string from a pandas DataFrame
I have a DataFrame with 4 columns of which 2 contain string values. I was wondering if there was a way to select rows based on a partial string match against a particular column?
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RabbitMQ message size and types
...ant to read up on their performance measures:
http://www.rabbitmq.com/blog/2012/04/17/rabbitmq-performance-measurements-part-1/
http://www.rabbitmq.com/blog/2012/04/25/rabbitmq-performance-measurements-part-2/
Queues are pretty light weight, you will most likely be limited by the number of connectio...
#1071 - Specified key was too long; max key length is 1000 bytes
... left substring of the data. Most of your data will be a lot shorter than 255 characters anyway.
You can declare a prefix length per column as you define the index. For example:
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KEY `index` (`parent_menu_id`,`menu_link`(50),`plugin`(50),`alias`(50))
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But what's the best prefix length fo...
Setting CSS pseudo-class rules from JavaScript
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How do you clear a slice in Go?
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123
It all depends on what is your definition of 'clear'. One of the valid ones certainly is:
slic...
momentJS date string add 5 days
i have a start date string "20.03.2014" and i want to add 5 days to this with moment.js but i don't get the new date "25.03.2014" in the alert window.
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convert ArrayList to JSONArray
...:
http://developer.android.com/reference/org/json/JSONArray.html#JSONArray%28java.util.Collection%29
collection:
http://developer.android.com/reference/java/util/Collection.html
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Direct casting vs 'as' operator?
... Otherwise, assigns o to s, even if o is null.
string s = o as string; // 2
Assigns null to s if o is not a string or if o is null. For this reason, you cannot use it with value types (the operator could never return null in that case). Otherwise, assigns o to s.
string s = o.ToString(); // 3
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.bashrc at ssh login
...Bash, thus all these comments are obsolete :)
– user529649
Jul 2 '12 at 2:09
1
This isn't necessa...
Gson - convert from Json to a typed ArrayList
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529
You may use TypeToken to load the json string into a custom object.
logs = gson.fromJson(br, n...