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MySQL and GROUP_CONCAT() maximum length
...ecute("SET SESSION group_concat_max_len = ..."); inside the Dao initialize method but as keatkeat has stated, this is only temporary. If anyone knows the right way to make this change permanently pls let me know
– IcedDante
Nov 18 '14 at 22:42
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Autocompletion in Vim
...matic code completion as you type.
2015 Edit: I personally use YouCompleteMe now.
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Covariance and contravariance real world example
...have a class Person and a class that derives from it, Teacher. You have some operations that take an IEnumerable<Person> as the argument. In your School class you have a method that returns an IEnumerable<Teacher>. Covariance allows you to directly use that result for the methods that...
JQuery to check for duplicate ids in a DOM
... already discovered three places where I have duplicate IDs. it frustrates me slightly that most peoples solution to this problem is to use 'firebug' or 'html validator'. thats not good enough! i want to catch the unexpected duplicates in wierd situations.
– Simon_Weaver
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How to take a screenshot programmatically on iOS
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Django template how to look up a dictionary value with a variable
...nary[key] it will raise a KeyError then.)
usage:
{{ mydict|get_item:item.NAME }}
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How do I pre-populate a jQuery Datepicker textbox with today's date?
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Update: There are reports this no longer works in Chrome.
This is concise and does the job (obsolete):
$(".date-pick").datepicker('setDate', new Date());
This is less concise, utilizing chaining allows it to work in chrome (2019-06-04):
$(".date-pick").datepicker().datepick...
How can I recursively find all files in current and subfolders based on wildcard matching?
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Use find for that:
find . -name "foo*"
find needs a starting point, and the . (dot) points to the current directory.
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How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
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tl;dr / quick fix
Don't decode/encode willy nilly
Don't assume your strings are UTF-8 encoded
Try to convert strings to Unicode strings as soon as possible in your code
Fix your locale: How to solve UnicodeDecodeError in Python 3.6?
Don't be tempted to use quick reload hacks
Unicode...
Local variables in nested functions
Okay, bear with me on this, I know it's going to look horribly convoluted, but please help me understand what's happening.
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