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How to shuffle a std::vector?
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203
From C++11 onwards, you should prefer:
#include <algorithm>
#include <random>
aut...
What exactly does += do in python?
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150
In Python, += is sugar coating for the __iadd__ special method, or __add__ or __radd__ if __iadd...
How do I show/hide a UIBarButtonItem?
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answered Jul 9 '14 at 0:48
MaxMax
3,93111 gold badge1515 silver badges2929 bronze badges
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add created_at and updated_at fields to mongoose schemas
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As of Mongoose 4.0 you can now set a timestamps option on the Schema to have Mongoose handle this for you:
var thingSchema = new Schema({..}, { timestamps: true });
You can change the name of the fields used like so:
var thingSchema = new...
How can I print each command before executing? [duplicate]
...thing then)
And remember, there is bashdb (bash Shell Debugger, release 4.0-0.4)
To revert to normal, exit the subshell or
set +o xtrace
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How can we access context of an application in Robolectric?
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add to your build.gradle file:
testImplementation 'androidx.test:core:1.0.0'
retrieve the context with:
ApplicationProvider.getApplicationContext()
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gradlew: Permission Denied
... to do this.
– Ankur
Nov 8 '13 at 5:01
3
I had similar issue when setting up Atlassian Bamboo bui...
当当网第三季度净亏损2810万元 同比由盈转亏 - 资讯 - 清泛网 - 专注C/C++及内核技术
当当网第三季度净亏损2810万元 同比由盈转亏11月25日消息，当当网发布了截至2015年9月30日的2015财年第三季度未审计财报。财报显示，当当网第三季度总净营收为23.719亿元人民币(约合3.732亿美元)，同比增长22.6%；净亏损为2810万元...
scrapyd 转入后台daemon守护模式运行的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...新建文件/etc/init.d/scrapyd，名称为scrapyd
#!/bin/bash
PORT=6800
HOME="/var/scrapyd"
BIN="/usr/local/bin/scrapyd"
pid=`netstat -lnopt | grep :$PORT | awk '/python/{gsub(/\/python/,"",$7);print $7;}'`
start() {
if [ -n "$pid" ]; then
echo "server already start,pid:$pid"
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Can I add color to bootstrap icons only using CSS?
... are at the bottom of the page in the provided link.
Edit: Bootstrap 3.0.0 icons are now fonts!
As some other people have also mentioned with the release of Bootstrap 3.0.0, the default icon glyphs are now fonts like Font Awesome, and the color can be changed simply by changing the color CSS pr...