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Why does an NSInteger variable have to be cast to long when used as a format argument?
...le on OS X (64-bit), because on that platform NSInteger is defined as long and is a 64-bit integer. The %i format, on the other hand, is for int, which is 32-bit. So the format and the actual parameter do not match in size.
Since NSInteger is 32-bit or 64-bit, depending on the platform, the compile...
Sending a notification from a service in Android
I have a service running, and would like to send a notification. Too bad, the notification object requires a Context , like an Activity , and not a Service .
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SQL - HAVING vs. WHERE
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it's not a good example as you could convert : ` WHERE companyId = 884501253109 GROUP BY country, city HAVING country = 'MX' ` to: ` WHERE companyId = 884501253109, country = 'MX' GROUP BY city `
– Etienne Herlaut
Nov 8 '...
Why does a base64 encoded string have an = sign at the end
...ate base64 encoding in C#, however I have seen several times that when I convert a string into base64, there is an = at the end.
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Git-Based Source Control in the Enterprise: Suggested Tools and Practices?
...team. This should include the basics only and some exercises (important!).
Convert the master repo to svn and let the "young-stars" git-svn. This gives most of the developers an easy to use interface and may compensate for the lacking discipline in your team, while the young-stars can continue to us...
How to get the path of the batch script in Windows?
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%~dp0 may be a relative path.
To convert it to a full path, try something like this:
pushd %~dp0
set script_dir=%CD%
popd
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IDENTITY_INSERT is set to OFF - How to turn it ON?
...ntent]
@ContentID int,
SET IDENTITY_INSERT tbl_content ON
...insert command...
SET IDENTITY_INSERT tbl_content OFF
GO
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SQL statement to get column type
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FROM INFORMATION_SCHEMA.COLUMNS
WHERE
TABLE_NAME = 'yourTableName' AND
COLUMN_NAME = 'yourColumnName'
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In where shall I use isset() and !empty()
... This can be dangerous. Instead, use basic >, < and == operators and convert variables using intval() or floatval().
– kaleazy
Feb 14 at 18:08
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Count number of days between two dates
... dates.
The one that comes closest is by thatdankent. A full answer would convert to_i and then divide:
(Time.now.to_i - 23.hours.ago.to_i) / 86400
>> 0
(Time.now.to_i - 25.hours.ago.to_i) / 86400
>> 1
(Time.now.to_i - 1.day.ago.to_i) / 86400
>> 1
In the question's specific e...