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Chmod recursively
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131
You need read access, in addition to execute access, to list a directory. If you only have exe...
Connection timeout for SQL server
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Yes, you could append ;Connection Timeout=30 to your connection string and specify the value yo...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
The "N+1 selects problem" is generally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that it has something to do with having to make a lot of database queries for something that seems simple in the object world.
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Numpy where function multiple conditions
...are both True values, then a and b returns b. So saying something like [0,1,2] and [2,3,4] will just give you [2,3,4]. Here it is in action:
In [230]: dists = np.arange(0,10,.5)
In [231]: r = 5
In [232]: dr = 1
In [233]: np.where(dists >= r)
Out[233]: (array([10, 11, 12, 13, 14, 15, 16, 17, 1...
What is the difference between an annotated and unannotated tag?
...oesn't. An annotated tag has a message that can be displayed with git-show(1), while a tag without annotations is just a named pointer to a commit.
More About Lightweight Tags
According to the documentation: "To create a lightweight tag, don’t supply any of the -a, -s, or -m options, just provid...
Why is a “GRANT USAGE” created the first time I grant a user privileges?
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As you said, in MySQL USAGE is synonymous with "no privileges". From the MySQL Reference Manua...
Make the first letter uppercase inside a django template
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edited Feb 27 '19 at 14:34
Tim Tisdall
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'typeid' versus 'typeof' in C++
...ou are talking about GCC's typeof, then a similar feature is present in C++11 through the keyword decltype. Again, C++ has no such typeof keyword.
typeid is a C++ language operator which returns type identification information at run time. It basically returns a type_info object, which is equality-...
Convert a string to int using sql query
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answered Apr 8 '09 at 7:13
Christian C. SalvadóChristian C. Salvadó
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RSpec: What is the difference between a feature and a request spec?
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