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Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注C/C++及内核技术
...言，我更喜欢能够快速上手的东西。
对于日志管理，老版本的Linux缺省使用Syslog，其配置大致如下所示：
shell> cat /etc/syslog.conf
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
# kern.* /dev/console
# Log anythin...
WhatsApp如何成为销售钻戒的店面？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...谷歌Chrome浏览器(主要针对安卓用户)推出了其应用的桌面版本后，该问题得以解决。
皮瑞安科夫另外有一部手机，专门用于在WhatsApp上与顾客交流，并将其跟三位销售人员的PC相连接。现在，无论他们何时与顾客交流，他们都能...
Can you connect to Amazon ElastiСache Redis outside of Amazon?
...m/elasticache/faqs/#Can_I_access_Amazon_ElastiCache_from_outside_AWS
EDIT 2018: This answer above was accurate when written, however it is now possible with some configuation to access redis cache from outside using the directions approximately 1/2 way down this page: https://docs.aws.amazon.com/Am...
Format date and time in a Windows batch script
..._skip,num_chars_to_keep%
So to get just the year from a date like "29.03.2018" use:
%DATE:~6,4%
^-----skip 6 characters
^---keep 4 characters
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How do I calculate the date six months from the current date using the datetime Python module?
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from dateutil.relativedelta import *
date = datetime.now()
print(date)
# 2018-09-24 13:24:04.007620
date = date + relativedelta(months=+6)
print(date)
# 2019-03-24 13:24:04.007620
but you will need to install python-dateutil module:
pip install python-dateutil
...
What is the best way to uninstall gems from a rails3 project?
...undler now has a bundle remove GEM_NAME command (since v1.17.0, 25 October 2018).
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Start two instances of IntelliJ IDE
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It has changed in 2018. The link is now http://www.jetbrains.com/help/idea/system-settings.html
– Dr Deo
Nov 29 '18 at 8:45
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为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
...只能运行于安卓设备上，对于iOS设备需要使用swift开发iOS版本的拓展。
环境配置
安装好 Java开发环境 以及 Ant编译环境，这里以Windows为例，供参考：
安装完JDK后配置环境变量 计算机（右键）→属性→高级系统设置→...
How does push notification technology work on Android?
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As of April 10, 2018, Google has deprecated GCM. The GCM server and client APIs are deprecated and will be removed as soon as April 11, 2019. Migrate GCM apps to Firebase Cloud Messaging (FCM), which inherits the reliable and scalable GCM in...
How to select from subquery using Laravel Query Builder?
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Laravel v5.6.12 (2018-03-14) added fromSub() and fromRaw() methods to query builder (#23476).
The accepted answer is correct but can be simplified into:
DB::query()->fromSub(function ($query) {
$query->from('abc')->groupBy('col...