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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
...represent lists of things so much as they describe the extent of a certain selection of things. The internal structure of set, how its elements are stored relative to each other, is usually not meant to convey useful information. In some implementations, sets are always internally sorted; in others ...
Make git automatically remove trailing whitespace before committing
...vince Git to treat your changes as a patch:
git add -up .
Hit a+enterto select all changes for each file. You'll get a warning about Git fixing your whitespace errors.
(git -c color.ui=auto diff at this point reveals that your non-indexed changes are exactly the whitespace errors).
Remove the wh...
The name 'model' does not exist in current context in MVC3
...ew Folder to add the folders. I should have right-clicked the project and selected Add -> Area. Then Visual Studio would have taken care of setting the area up correctly.
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Are class names in CSS selectors case sensitive?
I keep reading everywhere that CSS is not case sensitive, but I have this selector
4 Answers
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Is there a CSS selector by class prefix?
...ble with CSS2.1, but it is possible with CSS3 attribute substring-matching selectors (which are supported in IE7+):
div[class^="status-"], div[class*=" status-"]
Notice the space character in the second attribute selector. This picks up div elements whose class attribute meets either of these con...
How to have no pagebreak after \include in LaTeX
...e!
use \include instead of \input, and use the \includeonly command to select sections to process
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Does MySQL ignore null values on unique constraints?
... '1' for key 'x'
INSERT table1 VALUES (NULL);
INSERT table1 VALUES (NULL);
SELECT * FROM table1;
Result:
x
NULL
NULL
1
This is not true for all databases. SQL Server 2005 and older, for example, only allows a single NULL value in a column that has a unique constraint.
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Haskell: How is pronounced? [closed]
... draft for the Vietnam war, in which unfortunate young men were collected, selected, sometimes rejected, and otherwise, injected.
– Tom Anderson
Nov 19 '18 at 16:15
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Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
...s a separate statement.
It's also not possible to insert into a table and select from it and build an index in the same statement either.
The BOL entry contains the information you need:
CLUSTERED | NONCLUSTERED
Indicate that
a clustered or a nonclustered index is
created for the PRIMARY...
How does BLAS get such extreme performance?
... can have different settings). It tries different configurations and then selects the best for the particular target system.
(Tip: That is why if you are using ATLAS you are better off building and tuning the library by hand for your particular machine then using a prebuilt one.)
...