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How do I limit the number of returned items?
...his:
var q = models.Post.find({published: true}).sort({'date': -1}).limit(20);
q.exec(function(err, posts) {
// `posts` will be of length 20
});
or you can chain it together simply like that:
models.Post
.find({published: true})
.sort({'date': -1})
.limit(20)
.exec(function(err, pos...
Group a list of objects by an attribute : Java
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edited Nov 5 '19 at 20:06
Community♦
111 silver badge
answered Feb 10 '14 at 13:31
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Safe String to BigDecimal conversion
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answered Sep 20 '10 at 14:54
Jeroen RosenbergJeroen Rosenberg
4,13422 gold badges2323 silver badges3737 bronze badges
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Logical XOR operator in C++?
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answered Oct 20 '09 at 19:03
Greg HewgillGreg Hewgill
783k167167 gold badges10841084 silver badges12221222 bronze badges
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Python to print out status bar and percentage
...rt progressbar
from time import sleep
bar = progressbar.ProgressBar(maxval=20, \
widgets=[progressbar.Bar('=', '[', ']'), ' ', progressbar.Percentage()])
bar.start()
for i in xrange(20):
bar.update(i+1)
sleep(0.1)
bar.finish()
To install it, you can use easy_install progressbar, or pip...
Why are C++ inline functions in the header?
...
Enrico
6,08522 gold badges2020 silver badges4747 bronze badges
answered Feb 20 '11 at 12:35
CB BaileyCB Bailey
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Encode URL in JavaScript?
...like %uxxx.
– opteronn
Mar 5 '10 at 20:10
4
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Convert nullable bool? to bool
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206
You ultimately have to decide what the null bool will represent. If null should be false, you...
Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...中所用到的工具及操作平台罗列如下:
操作平台: gentoo 2004.3 # kernel 2.6.9
逆向工具:
反汇编 -- objdump （这个工具基本上每个LINUX上都有）、lida( http://lida.sourceforge.net/ )
调试器 -- gdb
十六进制编辑器 -- hexedit
文本...
Am I immoral for using a variable name that differs from its type only by case?
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answered Jan 20 '09 at 13:12
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