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How to get the last N records in mongodb?
...de(3) == 2; item.divide(3).add(3) == 4; With no order what would be the outcome??? I agree with you that this reversed order is not intuitive. This is no SQL after all it should follow normal OO paradigms.
– RickyA
Feb 17 '13 at 14:25
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Base 64 encode and decode example code
...y not. UTF-8 is guaranteed to be a valid encoding in Java: see docs.oracle.com/javase/8/docs/api/java/nio/charset/Charset.html. Admittedly these days I'd specify StandardCharsets.UTF_8 instead. I've updated the answer to specify that you should be confident in the presence of the charset, but I'd pr...
Why (0-6) is -6 = False? [duplicate]
...st passes.
This artifact is explained in detail in http://www.laurentluce.com/posts/python-integer-objects-implementation/, and we could check the current source code in http://hg.python.org/cpython/file/tip/Objects/longobject.c.
A specific structure is used to refer small integers and share th...
Format numbers in django templates
...tributed humanize application does this:
{% load humanize %}
{{ my_num|intcomma }}
Be sure to add 'django.contrib.humanize' to your INSTALLED_APPS list in the settings.py file.
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Is there an ignore command for git like there is for svn?
... have a bunch of dot files that I would like to ignore. Is there an ignore command for git like there is for svn ?
11 An...
ggplot2 plot without axes, legends, etc
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As per my comment in Chase's answer, you can remove a lot of this stuff using element_blank:
dat <- data.frame(x=runif(10),y=runif(10))
p <- ggplot(dat, aes(x=x, y=y)) +
geom_point() +
scale_x_continuous(expand...
Validating parameters to a Bash script
...one to help automate the process of removing a number of folders as they become unneeded.
10 Answers
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How to specify the location with wget?
...st/ (short form) or --directory-prefix=/tmp/cron_test/ (long form) to your command. Also note that if the directory does not exist it will get created.
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How to check if an NSDictionary or NSMutableDictionary contains a key?
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