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How to set the thumbnail image on HTML5 video?
...reload="metadata">
<source src="https://www.w3schools.com/html/mov_bbb.mp4#t=0.5" type="video/mp4">
</video>
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How to convert std::string to lower case?
...a.begin(),
[](unsigned char c){ return std::tolower(c); });
You're really not going to get away without iterating through each character. There's no way to know whether the character is lowercase or uppercase otherwise.
If you really hate tolower(), here's a specialized ASCII-only alternative...
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
...to be in Ruby 1.8.7. Looks like it was added in 1.9.3: apidock.com/ruby/v1_9_3_392/SecureRandom/uuid/class
– existentialmutt
Aug 25 '14 at 17:31
2
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How to get subarray from array?
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What K_7 said; most especially, monkey-patching the Builtins (Object, Array, Promise, etc) is very naughty. See the famous example of MooTools forcing a rename of the proposed native Array.prototype.contains to Array.prototype.incl...
Shell command to sum integers, one per line?
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just used this for a: count all documents’ pages script: ls $@ | xargs -i pdftk {} dump_data | grep NumberOfPages | awk '{s+=$2} END {print s}'
– flying sheep
Jul 10 '13 at 14:42
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Why do we always prefer using parameters in SQL statements?
...uld be
SELECT empSalary from employee where salary = 0 or 1=1
whereby all empSalaries would be returned.
Further, a user could perform far worse commands against your database, including deleting it If they wrote 0; Drop Table employee:
SELECT empSalary from employee where salary = 0; Drop Ta...
ATL COM开发入门（一）（JS调用ActiveX/COM组件） - C/C++ - 清泛网 - 专注C/C++及内核技术
...g retStr;
retStr.Format(_T("%s%s"), *pStr1, *pStr2);
*pRetStr = retStr.AllocSysString();
return S_OK;
}
四、写一个简单的html网页进行测试：
<HTML>
<HEAD>
<TITLE>COM接口测试页</TITLE>
<script type="text/javascript">
function Test(){
var retStr = AtlDemoObj.Conc...
Getting Django admin url for an object
...e was an easy way to get the admin url of an object, and I had written a small filter that I'd use like this: <a href="{{ object|admin_url }}" .... > ... </a>
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Is it possible to declare a variable in Gradle usable in Java?
...dConfigField "int", "FOO", "42"
buildConfigField "String", "FOO_STRING", "\"foo\""
buildConfigField "boolean", "LOG", "true"
}
release {
buildConfigField "int", "FOO", "52"
buildConfigField "String", "FOO_STRING", "\"bar\""
...
How do I initialize a TypeScript object with a JSON object
I receive a JSON object from an AJAX call to a REST server. This object has property names that match my TypeScript class (this is a follow-on to this question ).
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