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Why is my Git Submodule HEAD detached from master?
I am using Git submodules. After pulling changes from server, many times my submodule head gets detached from master branch.
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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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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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Graphviz: How to go from .dot to a graph?
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type: dot -Tps filename.dot -o outfile.ps
If you want to use the dot renderer. There are alternatives like neato and twopi. If graphiz isn't in your path, figure out where it is installed and run it from there.
You can change the output format ...
Is there a reason that we cannot iterate on “reverse Range” in ruby?
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A range is just that: something defined by its start and end, not by its contents. "Iterating" over a range doesn't really make sense in a general case. Consider, for example, how you would "iterate" over the range produced by two dates. Would you i...