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What is the best way to uninstall gems from a rails3 project?
... following options: --deployment or --path=<path> (http://bundler.io/v1.3/man/bundle-install.1.html)
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第一个Hello,OS World操作系统 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...使用；拓展引导标记
DD 0xffffffff ; 卷序列号
DB "PFOS v1.0.0" ; 卷标(11个字节)
DB "FAT12 " ; 文件系统类型(8个字节)
;---------------------------------------------------------------------
; 448个字节，引导代码、数据及其他填充字符
TIMES 18...
柳青：滴滴每天面临向死而生的挑战 永远热泪盈眶 - 资讯 - 清泛网 - 专注C/...
...的同时，实现你的小梦想，实现你的个人价值，找到你的位置。
如果说，有一天你觉得滴滴已经没有高效运转，有一些臃肿，有一些人浮于事的时候，请你一定要找Will，来找我。不管在任何情况下，不管我们经历了多少艰难万...
NodeJS: Saving a base64-encoded image to disk
...anvas.getContext('2d'); context.fillStyle = "#f89"; context.fillRect(50,50,100,100);
– mahemoff
Aug 4 '11 at 19:29
Oka...
Play audio from a stream using C#
... to start playing
while (ms.Length < 65536*10)
Thread.Sleep(1000);
ms.Position = 0;
using (WaveStream blockAlignedStream = new BlockAlignReductionStream(WaveFormatConversionStream.CreatePcmStream(new Mp3FileReader(ms))))
{
using (WaveOut waveOut = new WaveOut(Wave...
Android: Test Push Notification online (Google Cloud Messaging) [closed]
...For FCM, google url would be: https://fcm.googleapis.com/fcm/send
For FCM v1 google url would be: https://fcm.googleapis.com/v1/projects/YOUR_GOOGLE_CONSOLE_PROJECT_ID/messages:send
Note: While creating API Access Key on google developer console, you have to use 0.0.0.0/0 as ip address. (For test...
Operator overloading in Java
...but an example is worth a thousand arguments. Given m0 as a Matrix and v0, v1, v2, v3, and v4 as Vectors, simply compare how long it takes you to correctly interpret the following mathematical expression m0.transpose().mult(v0.add(v1.mult(v2)).cross(v3)).sub(v4);. Had support for operator overloadin...
Does “git fetch --tags” include “git fetch”?
...eads/*:refs/remotes/origin/*')
fatal: multiple updates for ref 'refs/tags/v1.0.0' not allowed
Git 2.24 (Q4 2019) adds another optimization.
See commit b7e2d8b (15 Sep 2019) by Masaya Suzuki (draftcode).
(Merged by Junio C Hamano -- gitster -- in commit 1d8b0df, 07 Oct 2019)
fetch: use oi...
Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...
...要有空格。这里的空格很重要，笔者就曾因为空格缺少或位置不对，而浪费好多宝贵的时间。
格式：
if ....; then
....
elif ....; then
....
else
....
fi
[ -f "somefile" ] ：判断是否是一个文件
[ -x "/bin/ls" ] ：判断/bin/ls是否存在并有...
SetRegistryKey 作用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...再次启动的时候便可恢复上次的一些特性（如窗口大小、位置等等）。SetRegistryKey