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Count all occurrences of a string in lots of files with grep
... doesn't work if you want to search in subdirectories too, whereas grep -o and wc -l does. cat is quicker in cases like the original question though.
– Leagsaidh Gordon
Jan 3 '13 at 15:37
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Is it possible to start activity through adb shell? [duplicate]
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Launch adb shell and enter the command as follows
am start -n yourpackagename/.activityname
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How to calculate number of days between two given dates?
If I have two dates (ex. '8/18/2008' and '9/26/2008' ), what is the best way to get the number of days between these two dates?
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How to execute a stored procedure within C# program
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using (var conn = new SqlConnection(connectionString))
using (var command = new SqlCommand("ProcedureName", conn) {
CommandType = CommandType.StoredProcedure }) {
conn.Open();
command.ExecuteNonQuery();
}
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generate model using user:references vs user_id:integer
..._id: integer, created_at: datetime, updated_at: datetime)
The second command adds a belongs_to :user relationship in your Micropost model whereas the first does not. When this relationship is specified, ActiveRecord will assume that the foreign key is kept in the user_id column and it will use a ...
Shuffle an array with python, randomize array item order with python
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import random
random.shuffle(array)
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What is a “context bound” in Scala?
... the new features of Scala 2.8 are context bounds. What is a context bound and where is it useful?
4 Answers
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How do you tell Resharper that a method parameter is a string containing a CSS class?
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From the Code Annotations currently supported by Resharper 10, the best candidate would to use this attribute. From the above link:
ValueProviderAttribute
For a parameter that is expected to be one of the limited set of
values. Specify fields of which type should be used as values for...
How to create a directory using nerdtree
... need to create a new directory I need to go to terminal. Is there a quick and easy way to create a directory using NERDTree.
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Value of type 'T' cannot be converted to
...ateTime to string)
You need to cast to object, (which any T can cast to), and from there to string (since object can be cast to string).
For example:
T newT1 = (T)(object)"some text";
string newT2 = (string)(object)t;
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