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Git: Find the most recent common ancestor of two branches
...-point branch2 with a branch (with its own commits) that I know has forked from the current branch doesn't yield any result, whereas git merge-base branch1 branch2 correctly shows the fork point. What could be the problem?
– ADTC
Oct 21 '17 at 0:22
...
How to revert a Git Submodule pointer to the commit stored in the containing repository?
...repository believes it should be. This is what the update command is for:
From the submodule manpage:
Update the registered submodules, i.e. clone missing submodules and
checkout the commit specified in the index of the containing
repository. This will make the submodules HEAD be detached unless
-...
What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?
...ue database where any possible internal
structure of such values is opaque from a DBMS perspective.
In the key-value model, access to multiple database entries (key-value pairs, in this case)
requires separate requests. In the document model, on the other hand, multiple database
entries (documents,...
CSS z-index paradox flower
...e bottom right sides of the circle's border.
Demo
CSS (that is different from starting point)
.i1 {
position: absolute; top: 30px; left: 0px;
&:before {
content: '';
position: absolute;
z-index: 100;
top: 0;
left: 0;
width: 50px;
height: 50px;
border-radiu...
Why should we include ttf, eot, woff, svg,… in a font-face
...ll system fonts, and should not be used for web purposes)
Original answer from 2012:
In short, font-face is very old, but only recently has been supported by more than IE.
eot is needed for Internet Explorers that are older than IE9 - they invented the spec, but eot was a proprietary solution.
t...
了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
...相关错误消息。清单 7 提供了重命名文件的小示例，在 from 路径中的文件不存在时引发异常。
清单 7. Boost 中的错误处理
#include <iostream>
#include “boost/filesystem.hpp”
int main()
{
try {
boost::filesystem::path path("C:\\src\\hdbase\\j1...
How can I use redis with Django?
...For my company, we use Redis to store summarization and products generated from Cassandra & Postgres. The quantity of these products ( several billion ), how often they need to be changed, and that we never know what is needed at any moment makes them a perfect fit for redis. Also, once you go...
Django CharField vs TextField
...problem and understood an unpleasant strange difference:
when I get an URL from user as an CharField and then and use it in html a tag by href, it adds that url to my url and that's not what I want. But when I do it by Textfield it passes just the URL that user entered.
look at these:
my website add...
What is the difference between `sorted(list)` vs `list.sort()`?
...random.shuffle(lst)
"""
I interpret this larger sort's difference coming from the copying mentioned by Martijn, but it does not dominate to the point stated in the older more popular answer here, here the increase in time is only about 10%
>>> timeit.repeat("lst[:].sort()", setup=setup, ...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...ArrayReceived
其他方法
IsNull
ToDictionary / FromDictionary
错误处理
MQTT服务质量（QoS）：3个等级
保留消息（RetainFlag）
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