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Get all column names of a DataTable into string array using (LINQ/Predicate)
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Try this (LINQ method syntax):
string[] columnNames = dt.Columns.Cast<DataColumn>()
.Select(x => x.ColumnName)
.ToArray();
or in LINQ Query syntax:
string[...
jQuery: How can i create a simple overlay?
..., a div that stays fixed on the screen (no matter if you scroll) and has some sort of opacity.
This will be your CSS for cross browser opacity of 0.5:
#overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: #000;
filter:alpha(opacity=50...
How to generate a random alpha-numeric string?
... looking for a simple Java algorithm to generate a pseudo-random alpha-numeric string. In my situation it would be used as a unique session/key identifier that would "likely" be unique over 500K+ generation (my needs don't really require anything much more sophisticated).
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Including another class in SCSS
..., but won't work if either of the classes is within a directive (usually a media query); unless they are both in the same directive.
– MartinAnsty
May 29 '13 at 14:37
13
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Any way to modify Jasmine spies based on arguments?
I have a function I'd like to test which calls an external API method twice, using different parameters. I'd like to mock this external API out with a Jasmine spy, and return different things based on the parameters. Is there any way to do this in Jasmine? The best I can come up with is a hack using...
Type hinting a collection of a specified type
... May 2015, PEP0484 (Type Hints) has been formally accepted. The draft implementation is also available at github under ambv/typehinting.
Original Answer
As of Aug 2014, I have confirmed that it is not possible to use Python 3 type annotations to specify types within collections (ex: a list of stri...
What is the difference between .map, .every, and .forEach?
... wondered what the difference between them were. They all seem to do the same thing...
4 Answers
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Get __name__ of calling function's module in Python
...k. From there, you can get more information about the caller's function name, module, etc.
See the docs for details:
http://docs.python.org/library/inspect.html
Also, Doug Hellmann has a nice writeup of the inspect module in his PyMOTW series:
http://pymotw.com/2/inspect/index.html#module-inspe...
SQLAlchemy: print the actual query
...t out valid SQL for my application, including values, rather than bind parameters, but it's not obvious how to do this in SQLAlchemy (by design, I'm fairly sure).
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Private setters in Json.Net
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I came here looking for the actual attribute that makes Json.NET populate a readonly property when deserializing, and that's simply [JsonProperty], e.g.:
[JsonProperty]
public Guid? ClientId { get; private set; }
Alternative S...