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区块链技术到底是什么鬼，为何被疯炒？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...链技术,是继蒸汽机、电力、信息和互联网科技之后,目前最有潜力触发第五轮颠覆性革命浪潮的核心技术。
过去两年,位于硅谷和纽约的区块链技术公司成为了各风投基金竞相追捧的热门项目。仅2015年,全球范围内投资在比特币...
How do you set the Content-Type header for an HttpClient request?
...ira's answer stackoverflow.com/a/10679340/2084315.
– ps2goat
Feb 5 '19 at 22:29
add a comment...
php execute a background process
...
function isRunning($pid){
try{
$result = shell_exec(sprintf("ps %d", $pid));
if( count(preg_split("/\n/", $result)) > 2){
return true;
}
}catch(Exception $e){}
return false;
}
...
favicon.png vs favicon.ico - why should I use PNG instead of ICO?
... @Pacerier It's incredibly difficult to get .ico editing in PS. And even if you do, the end result is soo bad, you'd think .bmp was a better format (it adds a lot of meta-data making re-editing a huge pain).
– Christian
Oct 13 '12 at 21:48
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Maven: How to include jars, which are not available in reps into a J2EE project?
...
As you've said you don't want to set up your own repository, perhaps this will help.
You can use the install-file goal of the maven-install-plugin to install a file to the local repository. If you create a script with a Maven invocation for each file and keep it alongside the jars, you (an...
How can I embed a YouTube video on GitHub wiki pages?
...an put an image which links to a YouTube video:
[](https://www.youtube.com/watch?v=YOUTUBE_VIDEO_ID_HERE)
For more information about Markdown look at this Markdown cheatsheet on GitHub.
For more information about Youtube...
F# development and unit testing?
...taking the time and/or paying the money to view the complete set of Mark's PS courses highly enough - it'll snap it all together in your head with maximum efficiency. While it may or may not apply to your specific needs, the "A Functional Architecture in F#" also connects up a lot of dots and should...
Remove all the elements that occur in one list from another
...imeit -s "l1 = set([1,2,6,8]); l2 = set([2,3,5,8]);" "l1 - l2"
10000000 loops, best of 3: 0.124 usec per loop
Daniel Pryden's List Comprehension with set lookup - Second (0.302 usec per loop)
mquadri$ python -m timeit -s "l1 = [1,2,6,8]; l2 = set([2,3,5,8]);" "[x for x in l1 if x not in l2]"
10000...
How to run a shell script at startup
...the following actions: start, stop, restart, force-reload, and status):
https://wiki.debian.org/LSBInitScripts
As a note, you should put the absolute path of your script instead of a relative one, it may solves unexpected issues:
/var/myscripts/start_my_app
And don't forget to add on top of that...
How to exclude property from Json Serialization
...resulting JSON object would look like this:
{ Id: 3, Name: 'Test User' }
PS. Don't forget to add a reference to "System.Web.Extensions" for this to work
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