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Writing data into CSV file in C#
...re the values
var allLines = (from trade in proposedTrades
select new object[]
{
trade.TradeType.ToString(),
trade.AccountReference,
trade.SecurityCodeType.ToString(),
trade.SecurityC...
How to expand/collapse a diff sections in Vimdiff?
...w as mentioned can be used for navigating from pane to pane.
Now you can select a particular change alone and paste it to the other pane as follows.Here I am giving an eg as if I wanted to change my piece of code from pane 1 to pane 2 and currently my cursor is in pane1
Use Shift-v to highlight ...
What's the $unwind operator in MongoDB?
...oDB employs an "NoSQL" approach to data storage, so perish the thoughts of selects, joins, etc. from your mind. The way that it stores your data is in the form of documents and collections, which allows for a dynamic means of adding and obtaining the data from your storage locations.
That being sai...
Call static method with reflection
... .Where(x => x.Namespace.ToUpper().Contains("MACRO"))
.Select(t => (Action)Delegate.CreateDelegate(
typeof(Action),
null,
t.GetMethod("Run", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public)))
...
How does data binding work in AngularJS?
...f it has some extra feature (for example a specific class on the currently selected option) you start to get 3-5 bindings per option. Put three of these widgets on a page (e.g. one to select a country, the other to select a city in the said country, and the third to select a hotel) and you are somew...
How do I detect if Python is running as a 64-bit application? [duplicate]
... in this case it has to do with the way Apple implemented their multi-arch selection feature. I'm adding a note to ensure we look at this when the python.org OS X multi-arch selection feature is finalized.
– Ned Deily
Dec 3 '09 at 20:59
...
Returning IEnumerable vs. IQueryable
...mers = custs.Where(c => c.IsGold);
That code will execute SQL to only select gold customers. The following code, on the other hand, will execute the original query in the database, then filtering out the non-gold customers in the memory:
IEnumerable<Customer> custs = ...;
// Later on...
...
How to print the current Stack Trace in .NET without any exception?
...oint where you want to see the stack trace.
Right-click the breakpoint and select "Actions..." in VS2015. In VS2010, select "When Hit...", then enable "Print a message".
Make sure "Continue execution" is selected.
Type in some text you would like to print out.
Add $CALLSTACK wherever you want to se...
关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...连接的模型都应该被称为多路复用，目前比较常用的有 select/poll/epoll/kqueue 这些 IO 模型（目前也有像 Apache 这种每个连接用单独的进程/线程来处理的 IO 模型，但是效率相对比较差，也很容易出问题，所以暂时不做介绍了）。在...
Writing a git post-receive hook to deal with a specific branch
...anch on our server, and ignore pushes to other branches. Is it possible to select the branch from a bare repo and push only that branch to Assembla?
...