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iOS 5 Best Practice (Release/retain?)
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edited May 23 '17 at 11:53
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answered Jun 10 '11 at 15:28
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How to check Django version
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Django 1.5 supports Python 2.6.5 and later.
If you're under Linux and want to check the Python ...
Format floats with standard json module
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14 Answers
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error: command 'gcc' failed with exit status 1 while installing eventlet
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Android: Background Image Size (in Pixel) which Support All Devices
...ttp://developer.android.com/guide/practices/screens_support.html
xxxhdpi: 1280x1920 px
xxhdpi: 960x1600 px
xhdpi: 640x960 px
hdpi: 480x800 px
mdpi: 320x480 px
ldpi: 240x320 px
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How to combine multiple conditions to subset a data-frame using “OR”?
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my.data.frame <- subset(data , V1 > 2 | V2 < 4)
An alternative solution that mimics the behavior of this function and would be more appropriate for inclusion within a function body:
new.data <- data[ which( data$V1 > 2 | data$V2 < 4) , ]
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quick random row selection in Postgres
...ith OFFSET, as in
SELECT myid FROM mytable OFFSET floor(random()*N) LIMIT 1;
The N is the number of rows in mytable. You may need to first do a SELECT COUNT(*) to figure out the value of N.
Update (by Antony Hatchkins)
You must use floor here:
SELECT myid FROM mytable OFFSET floor(random()*N) L...
Find size of Git repository
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UPDATE git 1.8.3 introduced a more efficient way to get a rough size: git count-objects -vH (see answer by @VonC)
For different ideas of "complete size" you could use:
git bundle create tmp.bundle --all
du -sh tmp.bundle
Close (but...
How to make an immutable object in Python?
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Yet another solution I just thought of: The simplest way to get the same behaviour as your or...
What are the performance characteristics of sqlite with very large database files? [closed]
... a comment on the sqlite website stating that if you need file sizes above 1GB you may want to consider using an enterprise rdbms. Can't find it anymore, might be related to an older version of sqlite).
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