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MongoDB/NoSQL: Keeping Document Change History
...
+100
Good question, I was looking into this myself as well.
Create a new version on each change
I came across the Versioning module of ...
Good examples of Not a Functor/Functor/Applicative/Monad?
...can make an Applicative out of it, with something like:
mkarray [(+10), (+100), id] <*> mkarray [1, 2]
== mkarray [[11, 101, 1], [12, 102, 2]]
But if you make it a monad, you could get a dimension mismatch. I suspect that examples like this are rare in practice.
A type constructor which...
Load and execution sequence of a web page?
...umber of assets in parallel. Steve Souders has been able to download over 100 requests in parallel on IE. The exception is that script requests block parallel asset requests in IE. This is why it is highly suggested to put all JavaScript in external JavaScript files and put the request just prior...
Why doesn't C# support the return of references?
...with
int a = 123;
int b = 456;
ref int c = ref Max(ref a, ref b);
c += 100;
Console.WriteLine(b); // 556!
I know empirically that it is possible to build a version of C# that supports these features because I have done so. Advanced programmers, particularly people porting unmanaged C++ code, o...
Conveniently Declaring Compile-Time Strings in C++
... but this require Boost macros to work because writing it manually require 100 times more code (you need implements simple thing like 1+1).
– Yankes
Apr 7 '13 at 10:28
add a c...
What is the function of the push / pop instructions used on registers in x86 assembly?
...fit into registers, which is the fastest memory to access (currently about 100x faster than RAM).
But of course, we can easily have more variables than registers, specially for the arguments of nested functions, so the only solution is to write to memory.
We could write to any memory address, but ...
Generating an Excel file in ASP.NET [closed]
... in a ZIP container anyway. @Brian: I use complex SpreadsheetML in the 50-100MB range on a daily basis without crashing problems.
– richardtallent
Aug 18 '09 at 22:37
...
Spring @Transactional - isolation, propagation
...
+100
Isolation level defines how the changes made to some data repository by one transaction affect other simultaneous concurrent transac...
Basic example of using .ajax() with JSONP?
...
<!DOCTYPE html>
<html>
<head>
<style>img{ height: 100px; float: left; }</style>
<script src="http://code.jquery.com/jquery-latest.js"></script>
<title>An JSONP example </title>
</head>
<body>
<!-- DIV FOR SHOWING IMAGES -->
<...
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...破4000点。8月26日，全球股市大跌，道琼斯工业指数下跌1000点。
同一时间，华兴资本的董事总经理杜永波对创业者说，“从现在开始，忘掉你对投资人拍着胸脯说的增速和GMV吧。你要关注现金流，要活下来，要把拿到的钱至少...