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How to reference generic classes and methods in xml documentation
...on, you'll have to use the special "ID string" syntax that applies in such files: always use fully-qualified identifiers, and use backticks to reference generic type parameters (`n on types, ``n on methods).
If you omit the prefix, regular language naming rules apply: you can drop namespaces for whi...
JsonMappingException: out of START_ARRAY token
Given the following .json file:
4 Answers
4
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How to tell if a string is not defined in a Bash shell script
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Good practice in bash. Sometimes file paths have spaces, or to protect against command injection
– k107
Mar 9 '15 at 17:54
1
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CSS for grabbing cursors (drag & drop)
...several fallbacks for cross-browser compatibility3 including custom cursor files, a complete solution would look like this:
.draggable {
cursor: move; /* fallback: no `url()` support or images disabled */
cursor: url(images/grab.cur); /* fallback: Internet Explorer */
cursor: -webkit-gr...
Google Maps API 3 - Custom marker color for default (dot) marker
...API v3 you can use setIcon e.g.
marker.setIcon('http://maps.google.com/mapfiles/ms/icons/green-dot.png')
Or as part of marker init:
marker = new google.maps.Marker({
icon: 'http://...'
});
Other colours:
Blue marker
Red marker
Purple marker
Yellow marker
Green marker
Use the following ...
How do I update zsh to the latest version?
...th
sudo vim /etc/shells
# add the following line into the very end of the file(/etc/shells)
/usr/local/bin/zsh
# change default shell
chsh -s /usr/local/bin/zsh
Hope it helps, thanks.
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二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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关于QR Code Specification，可参看这个PDF：http://raidenii.net/files/datasheets/misc/qr_code.pdf
基础知识
首先，我们先说一下二维码一共有40个尺寸。官方叫版本Version。Version 1是21 x 21的矩阵，Version 2是 25 x 25的矩阵，Version 3是29的尺寸，每...
How can I get nth element from a list?
...you want to know more about the theory a good place to start is the readme file at the github repo.
Accessing lists and other datatypes
Getting access to the lens package
At the command line:
$ cabal install lens
$ ghci
GHCi, version 7.6.3: http://www.haskell.org/ghc/ :? for help
Loading packag...
Should I use Java's String.format() if performance is important?
...nation for this data is a stream (e.g. rendering a webpage or writing to a file), you can assemble the format chunks directly into your stream:
new PrintStream(outputStream, autoFlush, encoding).format("hello {0}", "world");
I speculate that the optimizer will optimize away the format string proc...
Reading GHC Core
...out. The primop set is given as a set of Core functions in a pre-processed file.
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