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Groovy / grails how to determine a data type?
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246
To determine the class of an object simply call:
someObject.getClass()
You can abbreviate t...
Looking for a clear definition of what a “tokenizer”, “parser” and...
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answered Dec 19 '08 at 9:25
Roger LipscombeRoger Lipscombe
79.5k4747 gold badges210210 silver badges342342 bronze badges
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django : using select_related and get_object_or_404 together
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250
Yes.
obj = get_object_or_404(MyModel.objects.select_related(), whatever=whatever)
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What's the difference between := and = in Makefile?
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This is described in the GNU Make documentation, in the section titled 6.2 The Two Flavors of Variables
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In short, variables defined with := are expanded once, but variables defined with = are expanded whenever they are used.
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Concatenate strings in Less
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226
Use Variable Interpolation:
@url: "@{root}@{file}";
Full code:
@root: "../img/";
@file: "t...
Mongoose indexing in production code
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answered Jan 15 '13 at 21:05
JohnnyHKJohnnyHK
253k5151 gold badges537537 silver badges424424 bronze badges
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Update all values of a column to lowercase
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244
See http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_lower
UPDATE table_...
In Vim, how do I apply a macro to a set of lines?
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answered Dec 23 '08 at 22:02
Judge MaygardenJudge Maygarden
24.5k88 gold badges7474 silver badges9494 bronze badges
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Deserialize JSON to ArrayList using Jackson
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152
You can deserialize directly to a list by using the TypeReference wrapper. An example method:
p...
Git reset --hard and push to remote repository
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288
If forcing a push doesn't help ("git push --force origin" or "git push --force origin master" ...