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How to multiply duration by integer?
...ation) duration as a parameter. Your rand.Int31n returns int32.
The line from the example works (time.Sleep(100 * time.Millisecond)) because the compiler is smart enough to understand that here your constant 100 means a duration. But if you pass a variable, you should cast it.
...
How can I ensure that a division of integers is always rounded up?
...problem; if it were, then I'd be testing it. If someone wants to take code from strangers off the internet to solve their business problem then the onus is on them to thoroughly test it.
– Eric Lippert
May 4 '11 at 16:21
...
LaTeX Optional Arguments
...
Example from the guide:
\newcommand{\example}[2][YYY]{Mandatory arg: #2;
Optional arg: #1.}
This defines \example to be a command with two arguments,
referred to as #1 and #2 in the {<definition...
python pandas: apply a function with arguments to a series
... Just FWIW and not a criticism of the original answer, just would benefit from an update IMO, especially as it is a frequently read answer.
– JohnE
Oct 15 '17 at 14:59
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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
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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...