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Keep ignored files out of git status
...her of the above commands worked for me. In both cases git says it has no knowledge of the files in question but they still show up in git status :(
– Cfreak
Dec 28 '12 at 0:06
5
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Swift - class method which must be overridden by subclass
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As of Swift 2.0 there are now protocol extensions too :) Apple Reference.
– Ephemera
Sep 13 '15 at 9:25
4
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MongoDB: update every document on one field
...n, for your example, the <update> is:
{ $set: { lastLookedAt: Date.now() / 1000 } }
However, depending on your version of MongoDB, the query will look different. Regardless of version, the key is that the empty condition {} will match any document. In the Mongo shell, or with any MongoDB ...
How to determine if Javascript array contains an object with an attribute that equals a given value?
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You don't need a flag if all you need to know is whether or not "something" is in, you can just check the value of the scan index with the size of array. For this to work the index var needs to be declared before the for statement of course.
– A...
Efficient SQL test query or validation query that will work across all (or most) databases
...g_table WHERE 1=0
or
SELECT 1 FROM INFORMATION_SCHEMA.SYSTEM_USERS
or
CALL NOW()
HSQLDB (tested with version 1.8.0.10)
Note: I tried using a WHERE 1=0 clause on the second query, but it didn't work as a value for Apache Commons DBCP's validationQuery, since the query doesn't return any rows
VAL...
Remove ActiveRecord in Rails 3
Now that Rails 3 beta is out, I thought I'd have a look at rewriting an app I have just started work on in Rails 3 beta, both to get a feel for it and get a bit of a head-start. The app uses MongoDB and MongoMapper for all of its models and therefore has no need for ActiveRecord. In the previous ver...
Redirecting stdout to “nothing” in python
...y large number of modules, each printing something to the standard output. Now as the project has grown in size, there are large no. of print statements printing a lot on the std out which has made the program considerably slower.
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How to convert NSDate into unix timestamp iphone sdk?
...e number of seconds from 1970 till the point in time you want to specify ("now" in this case). If you change the time on your iPad, you effectively change "now" to some other time and hence the difference in the time stamps.
– marsbear
Nov 29 '16 at 17:50
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How to play an android notification sound
...play a notification sound without playing it over the media stream. Right now I can do this via the media player, however I don't want it to play as a media file, I want it to play as a notification or alert or ringtone. heres an example of what my code looks like right now:
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Using OpenGl with C#? [closed]
...r SDL2#.
Update 30th June 2020: OpenTK has had new maintainers for a while now and has an active discord community. So the previous recommendation of using another library isn't necessarily true.
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