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Calculate difference between two datetimes in MySQL
...(datetime1,datetime2)
if datetime1 > datetime2 then
SELECT TIMEDIFF("2019-02-20 23:46:00","2019-02-19 23:45:00")
gives: 24:01:00
and datetime1 < datetime2
SELECT TIMEDIFF("2019-02-19 23:45:00","2019-02-20 23:46:00")
gives: -24:01:00
...
How to “git clone” including submodules?
...
Git 2.23 (Q3 2019): if you want to clone and update the submodules to their latest revision:
git clone --recurse-submodules --remote-submodules
If you just want to clone them at their recorded SHA1:
git clone --recurse-submodules
See be...
What version of Visual Studio is Python on my computer compiled with?
...2017 (15.8) 1915
Visual C++ 2017 (15.9) 1916
Visual C++ 2019 RTW (16.0) 1920
Visual C++ 2019 (16.1) 1921
Visual C++ 2019 (16.2) 1922
Visual C++ 2019 (16.3) 1923
Source: the documentation for the _MSC_VER predefined macro
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sqlite database default time value 'now'
...-- --------- ------------------- -------------------
1 One Upd 2019-06-08 20:15:02 2019-06-08 20:15:44
2 Two 2019-06-08 20:15:44
3 Thr 2019-06-08 20:15:44
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How can I negate the return-value of a process?
...tingpath doesn't exist." is enough.
No need for a sub-shell.
Git 2.22 (Q2 2019) illustrates that better form with:
Commit 74ec8cf, commit 3fae7ad, commit 0e67c32, commit 07353d9, commit 3bc2702, commit 8c3b9f7, commit 80a539a, commit c5c39f4 (13 Mar 2019) by SZEDER Gábor (szeder).
See commit 99e3...
Moment.js: Date between dates
...culation always ignores the year. For example, If I give startDate ='05-01-2019', endDate = '05-31-2019' and date as '05-21-2017', it will give me result as "Yay", although it is false.
– Aakash Maurya
May 9 '19 at 8:44
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CentOS 6.4下Squid代理服务器的安装与配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...地址、端口；
透明代理：适用于企业的网关主机（共享接入Internet）中，客户机不需要指定代理服务器地址、端口等信息，代理服务器需要设置防火墙策略将客户机的Web访问数据转交给代理服务程序处理；
反向代理：是指以代...
How do you auto format code in Visual Studio?
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For Visual Studio 2010/2013/2015/2017/2019
Format Document (Ctrl+K,Ctrl+D) so type Ctrl+K, AND THEN Ctrl+D as it is a sequence
Format Selection (Ctrl+K,Ctrl+F)
Toolbar Edit -> Advanced (If you can't see Advanced, select a code file in solution explorer ...
How to get client's IP address using JavaScript?
..."id" : "Asia/Singapore",
"abbreviation" : "SGT",
"current_time" : "2019-09-29T23:13:32+08:00",
"name" : "Singapore Standard Time",
"offset" : 28800,
"in_daylight_saving" : false
}
}
Limitations:
Free plan includes 100,000 requests
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i...
NewLine in object summary
... an old thread but I was searching for an anwser while using Visual Studio 2019. I wanted paragraph and lines breaks. The following works well for me:
/// <summary>
/// <para>parameter name="guidType" options:</para>
/// <br>0 = SequentialAsString</br>
/// <br>1 ...