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How to run a command in the background and get no output?
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@sabertooth1990 Your command line is faulty: -bash: syntax error near unexpected token '&'
– notes-jj
Feb 1 '17 at 17:28
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怎么往SetTimer的回调函数传递参数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...erFunc(HWND hwnd,UINT uMsg,UINT_PTR idEvent,DWORD dwTime)
{
MessageBoxA(NULL,"zhaoya","msg",MB_OK);
Sleep(5000);
}
发现完全按照SetTimer时设置的那样，1秒弹出一个消息框，一个一个出来，Sleep好像根本就没有执行，线程根本没有睡眠阻塞，我把 M...
Determine project root from a running node.js application
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byte[] to hex string [duplicate]
...built in method for this:
byte[] data = { 1, 2, 4, 8, 16, 32 };
string hex = BitConverter.ToString(data);
Result: 01-02-04-08-10-20
If you want it without the dashes, just remove them:
string hex = BitConverter.ToString(data).Replace("-", string.Empty);
Result: 010204081020
If you want a mo...
C# Double - ToString() formatting with two decimal places but no rounding
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I use the following:
double x = Math.Truncate(myDoubleValue * 100) / 100;
For instance:
If the number is 50.947563 and you use the following, the following will happen:
- Math.Truncate(50.947563 * 100) / 100;
- Math.Truncate(5094.7563) / 100;
- 5094...
How to delete an object by id with entity framework
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In Entity Framework 6 the delete action is Remove. Here is an example
Customer customer = new Customer () { Id = id };
context.Customers.Attach(customer);
context.Customers.Remove(customer);
context.SaveChanges();
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How do I use brew installed Python as the default Python?
I try to switch to Homebrew (after using fink and macport) on Mac OS X 10.6.2. I have installed python 2.7 with
19 Answers...
Accessing dict keys like an attribute?
..., see below)
Attributes and items are always in sync
Trying to access non-existent key as an attribute correctly raises AttributeError instead of KeyError
Supports [Tab] autocompletion (e.g. in jupyter & ipython)
Cons:
Methods like .keys() will not work just fine if they get overwritten by inc...
./configure : /bin/sh^M : bad interpreter [duplicate]
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To fix, open your script with vi or vim and enter in vi command mode (key Esc), then type this:
:set fileformat=unix
Finally save it
:x! or :wq!
share...