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Convert NSNumber to int in Objective-C
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193
Have a look at the documentation. Use the intValue method:
NSNumber *number = [dict objectForKe...
Getting number of days in a month
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302
You want DateTime.DaysInMonth:
int days = DateTime.DaysInMonth(year, month);
Obviously it v...
Foreign Key to multiple tables
I've got 3 relevant tables in my database.
5 Answers
5
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How to run cron job every 2 hours
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398
Just do:
0 */2 * * * /home/username/test.sh
The 0 at the beginning means to run at the 0t...
What is pseudopolynomial time? How does it differ from polynomial time?
...t input.
For example, if the input to a sorting algorithm is an array of 32-bit integers, then the size of the input would be 32n, where n is the number of entries in the array. In a graph with n nodes and m edges, the input might be specified as a list of all the nodes followed by a list of all t...
The type or namespace name 'DbContext' could not be found [closed]
I am VERY new to ASP.NET MVC (3) and am having a hard time resolving a build error in Visual Studio:
30 Answers
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Cannot generate iOS App archive in xcode
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317
Check Build Settings:
Skip install is NO for the main project target
Skip install is YES for...
Best way to store date/time in mongodb
...st.find()
{ "_id" : ObjectId("..."), "date" : ISODate("2014-02-10T10:50:42.389Z") }
{ "_id" : ObjectId("..."), "date" : ISODate("2014-02-10T10:50:57.240Z") }
The native type supports a whole range of useful methods out of the box, which you can use in your map-reduce jobs, for example.
If you nee...
What is the purpose of the -nodes argument in openssl?
...t the private key, you can omit -nodes and your key will be encrypted with 3DES-CBC. To encrypt the key, OpenSSL prompts you for a password and it uses that password to generate an encryption key using the key-derivation function EVP_BytesToKey.
Depending on your version of OpenSSL and compiled op...
Get city name using geolocation
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Alex
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answered Jul 23 '11 at 3:15
MichalMichal
12.1k33 gold badge...