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How to get an object's properties in JavaScript / jQuery?
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answered Nov 2 '10 at 15:39
jAndyjAndy
203k4747 gold badges283283 silver badges345345 bronze badges
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Bash tool to get nth line from a file
...ere NUM is the number of the line you want to print; so, for example, sed '10q;d' file to print the 10th line of file.
Explanation:
NUMq will quit immediately when the line number is NUM.
d will delete the line instead of printing it; this is inhibited on the last line because the q causes the re...
What happens if you call erase() on a map element while iterating from begin to end?
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
append multiple values for one key in a dictionary [duplicate]
...ith in years_dict is a dictionary that looks like the following:
{
"2010": [2],
"2009": [4,7],
"1989": [8]
}
In general, it's poor programming practice to create "parallel arrays", where items are implicitly associated with each other by having the same index rather than being proper ...
R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?
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110
No, it doesn't, see: R Language Definition: Operators
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Java: Best way to iterate through a Collection (here ArrayList)
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104
The first one is useful when you need the index of the element as well. This is basically equi...
What does [nyae] mean in Zsh?
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edited Apr 28 '09 at 23:10
answered Apr 28 '09 at 22:59
L...
How can I use optional parameters in a T-SQL stored procedure?
...marskog
If you have the proper SQL Server 2008 version (SQL 2008 SP1 CU5 (10.0.2746) and later), you can use this little trick to actually use an index:
Add OPTION (RECOMPILE) onto your query, see Erland's article, and SQL Server will resolve the OR from within (@LastName IS NULL OR LastName= @La...
How do sessions work in Express.js with Node.js?
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edited May 4 '15 at 10:40
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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django admin - add custom form fields that are not part of the model
...e:
class MyModel(models.model):
field1 = models.CharField(max_length=10)
field2 = models.CharField(max_length=10)
def combined_fields(self):
return '{} {}'.format(self.field1, self.field2)
Then in the admin you can add the combined_fields() as a readonly field:
class MyMode...