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Compare dates in MySQL
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That is SQL Server syntax for converting a date to a string. In MySQL you can use the DATE function to extract the date from a datetime:
SELECT *
FROM players
WHERE DATE(us_reg_date) BETWEEN '2000-07-05' AND '2011-11-10'
But if you want to take advantage of an index on the c...
Obtaining a powerset of a set in Java
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Isn't complexity (n*2^n)? Because binary string is of length n, and in each iteration of the main loop we iterate the entire binary string.
– Maggie
Sep 17 '13 at 5:53
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Can I make the foreign key field optional in Django model
...go are never saved as NULL. Blank values are stored in the DB as an empty string ('').
– fang_dejavu
Jun 20 '16 at 18:32
8
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How to show “Done” button on iPhone number pad
...onder];
numberTextField.text = @"";
}
-(void)doneWithNumberPad{
NSString *numberFromTheKeyboard = numberTextField.text;
[numberTextField resignFirstResponder];
}
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How to remove a lua table entry by its key?
I have a lua table that I use as a hashmap, ie with string keys :
1 Answer
1
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How does one use rescue in Ruby without the begin and end block
...nline:
1 + "str" rescue "EXCEPTION!"
will print out "EXCEPTION!" since 'String can't be coerced into Fixnum'
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Overload constructor for Scala's Case Classes?
...ve to use the "new" keyword.
scala> case class A(i: Int) { def this(s: String) = this(s.toInt) }
defined class A
scala> A(1)
res0: A = A(1)
scala> A("2")
<console>:8: error: type mismatch;
found : java.lang.String("2")
required: Int
A("2")
^
scala> new A("2"...
Find commit by hash SHA in Git
...Pretty Formats section of the git show documentation contains
format:<string>
The format:<string> format allows you to specify which information you want to show. It works a little bit like printf format, with the notable exception that you get a newline with %n instead of \n …
The ...
Get epoch for a specific date using Javascript
...ernet Explorer. Date constructor relies on the Date.parse() method when a string is passed, which is implementation dependant in ECMA-262 3rd edition and, as a result, notoriously inflexible in IE.
– Andy E
Jul 30 '10 at 7:50
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Inserting a Link to a Webpage in an IPython Notebook
...e, certain special characters like "(" or ")" may brake the file/page path and lead to the link not working. I fixed it by replacing them with the code equivalents found here and then everything worked. theukwebdesigncompany.com/articles/entity-escape-characters.php
– Afflatus
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