大约有 40,000 项符合查询结果（耗时：0.0345秒） [XML]
How can I read a text file without locking it?
...em is when you are writing to the log you are exclusively locking the file down so your StreamReader won't be allowed to open it at all.
You need to try open the file in readonly mode.
using (FileStream fs = new FileStream("myLogFile.txt", FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
...
Combining two lists and removing duplicates, without removing duplicates in original list
...
You can bring this down to one single line of code if you use numpy:
a = [1,2,3,4,5,6,7]
b = [2,4,7,8,9,10,11,12]
sorted(np.unique(a+b))
>>> [1,2,3,4,5,6,7,8,9,10,11,12]
...
Installing python module within code
...
@Downvoter: What exactly is wrong with my answer? This answer has all the OP wanted. It doesn't even use a shell.
– quantum
Sep 8 '12 at 18:09
...
How to prevent ifelse() from turning Date objects into numeric objects
...d on user selection of which attributes to preserve. The request is here: https://bugs.r-project.org/bugzilla/show_bug.cgi?id=16609 - It has already been flagged as "WONTFIX" on the grounds that it has always been the way it is now, but I have provided a follow-up argument on why a simple addition ...
A transport-level error has occurred when receiving results from the server [closed]
...
This was a fix that worked for me. I shut down SQL Server Management Studio and then I never saw this error again.
– Beevik
Sep 11 '13 at 18:43
...
How can I stop a running MySQL query?
...n the following commands:
mysqladmin -uusername -ppassword pr
Then note down the process id.
mysqladmin -uusername -ppassword kill pid
The runaway query should no longer be consuming resources.
share
|
...
What is JavaScript garbage collection?
...cope variable. All
of those objects are instructed to
tear themselves down, which destroys
any circular references.
The main purpose of garbage collection is to allow the programmer not to worry about memory management of the objects they create and use, though of course there's no avoid...
Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie
...y). For example, (2, 1) means that the point is 2 pixels left, and 1 pixel down.
You can read up more about coordinate systems here - http://en.wikipedia.org/wiki/Coordinate_system
But what you need to know is that, in iOS, every view has it's OWN coordinate system, where the top left corner is th...
Rotating a two-dimensional array in Python
... the great wikipedia page on the subject (in "Common rotations" paragraph:
https://en.wikipedia.org/wiki/Rotation_matrix#Ambiguities
Then I wrote the following code, super verbose in order to have a clear understanding of what is going on.
I hope that you'll find it useful to dig more in the very ...
Received fatal alert: handshake_failure through SSLHandshakeException
...rs may ignore this, but the same is not the case for SSL clients (like the HttpsURLConnection class, or any HTTP Client library like Apache HttpComponents Client).
Most these client classes/libraries would rely on the trust store used by the JVM for certificate validation. In most cases, this will ...