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git rebase fatal: Needed a single revision
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138
You need to provide the name of a branch (or other commit identifier), not the name of a remot...
How to access a preexisting collection with Mongoose?
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answered Nov 3 '11 at 15:21
calvinfocalvinfo
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What Product Flavor does Android Studio build by default in build.gradle?
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answered Jul 15 '13 at 18:27
Xavier DucrohetXavier Ducrohet
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Get class name of django model
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154
Try Book.__name__.
Django models are derived from the ModelBase, which is the Metaclass for a...
How to cancel a pull request on github?
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132
GitHub now supports closing a pull request
Basically, you need to do the following steps:
Vis...
Does MySQL ignore null values on unique constraints?
...ws multiple NULLs in a column with a unique constraint.
CREATE TABLE table1 (x INT NULL UNIQUE);
INSERT table1 VALUES (1);
INSERT table1 VALUES (1); -- Duplicate entry '1' for key 'x'
INSERT table1 VALUES (NULL);
INSERT table1 VALUES (NULL);
SELECT * FROM table1;
Result:
x
NULL
NULL
1
This i...
In Java, what is the best way to determine the size of an object?
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edited Jun 28 '16 at 18:24
Ravindra babu
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Unique constraint that allows empty values in MySQL
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183
Yes, you can do this. See the MySQL reference (version 5.5).
A UNIQUE index creates a cons...
How can I wait till the Parallel.ForEach completes
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195
You don't have to do anything special, Parallel.Foreach() will wait until all its branched tas...
BigDecimal equals() versus compareTo()
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edited May 28 at 12:56
answered Jul 22 '11 at 7:59
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