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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
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how about "%02d" % 9? see http://www.ruby-doc.org/core-2.0/String.html#method-i-25 and http://www.ruby-doc.org/core-2.0/Kernel.html#method-i-sprintf .
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Doing HTTP requests FROM Laravel to an external API
... answered Feb 2 '15 at 16:04
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Why can't an anonymous method be assigned to var?
...Eric Lippert has an old post about it where he says
And in fact the C# 2.0 specification
calls this out. Method group
expressions and anonymous method
expressions are typeless expressions
in C# 2.0, and lambda expressions join
them in C# 3.0. Therefore it is
illegal for them to appea...
Swift Beta performance: sorting arrays
...8
Swift 1.2
xcrun swiftc --version
Apple Swift version 1.2 (swiftlang-602.0.49.6 clang-602.0.49)
Target: x86_64-apple-darwin14.3.0
xcrun -sdk macosx swiftc -O SwiftSort.swift
./SwiftSort
Elapsed time: 0.738763988018036
Swift 2.0
xcrun swiftc --version
Apple Swift version 2.0 (swiftlang-7...
How to compare software version number using js? (only number)
...pare("2", "1"));
console.log(compare("1.0", "1.0"));
console.log(compare("2.0", "1.0"));
console.log(compare("1.0", "2.0"));
console.log(compare("1.0.1", "1.0"));
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Possible to iterate backwards through a foreach?
.... IList) you should definitely use a for loop instead.
If you are on .NET 2.0 and cannot use a for loop (i.e. you just have an IEnumerable) then you will just have to write your own Reverse function. This should work:
static IEnumerable<T> Reverse<T>(IEnumerable<T> input)
{
r...
Why does only the first line of this Windows batch file execute but all three lines execute in a com
...ll mvn install:install-file -DgroupId=gdata -DartifactId=blogger -Dversion=2.0 -Dfile=gdata-blogger-2.0.jar -Dpackaging=jar -DgeneratePom=true
call mvn install:install-file -DgroupId=gdata -DartifactId=blogger-meta -Dversion=2.0 -Dfile=gdata-blogger-meta-2.0.jar -Dpackaging=jar -DgeneratePom=true
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What does %~d0 mean in a Windows batch file?
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The magic variables %n contains the arguments used to invoke the file: %0 is the path to the bat-file itself, %1 is the first argument after, %2 is the second and so on.
Since the arguments are often file paths, there is some additional syntax to extr...
When to use f:viewAction / preRenderView versus PostConstruct?
...mely, they are not available at the moment the @PostConstruct runs. In JSF 2.0/2.1, this tag didn't exist and you have to use the preRenderView workaround.
If the backing bean is @RequestScoped, do they effectively do the exact same thing? (and so then it is up to developer choice? (@PostConstruct ...
tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...弊端
慢启动，指数增加（有可能被推迟确认），http/2.0通过减少连接数来避免慢启动，上图经过4个RTT时间cwnd从1个MSS增加到慢启动阈值16
增加到慢启动阈值后，线性增加慢。 在一个RTT时间内收到所有确认只能增加1个MSS
丢...