大约有 40,000 项符合查询结果（耗时：0.0782秒） [XML]
Detecting 'stealth' web-crawlers
...
A while back, I worked with a smallish hosting company to help them implement a solution to this. The system I developed examined web server logs for excessive activity from any given IP address and issued firewall rules to block offenders. It included wh...
change text of button and disable button in iOS
...antage of the fact that they are passed in as an argument to the IBAction calls:
- (IBAction) triggerActionWithSender: (id) sender;
This can be bound to the button and you’ll get the button in the sender argument when the action is triggered. If that’s not enough (because you need to access t...
Is there any difference between GROUP BY and DISTINCT
...
MusiGenesis' response is functionally the correct one with regard to your question as stated; the SQL Server is smart enough to realize that if you are using "Group By" and not using any aggregate functions, then what you actually mean is "Distinct" - and th...
Extracting Nupkg files using command line
Firstly, I do not want to use Visual Studio at all when dealing with the certain .nupkg files.
6 Answers
...
The server committed a protocol violation. Section=ResponseStatusLine ERROR
...derParsing fixed it for one link, but setting KeepAlive=false fixed it for all 6.
– David Hammond
Sep 17 '12 at 18:15
3
...
How do I directly modify a Google Chrome Extension File? (.CRX)
... I found this:
The Google Chrome Extension file type is CRX. It is essentially a compression format. So if you want to see what is behind an extension, the scripts and the code, just change the file-type from “CRX” to “ZIP” .
Unzip the file and you will get all the info you need. This way ...
What is an OS kernel ? How does it differ from an operating system? [closed]
...ernel is an operating system in that sense.
The end-user definition is usually something around "a software package that provides a desktop, shortcuts to applications, a web browser and a media player". A kernel doesn't match that definition.
So for an end-user a Linux distribution (say Ubuntu) is...
Is PowerShell ready to replace my Cygwin shell on Windows? [closed]
... dose of respect for that community.)
What I found was that this didn't really help much. The reason for that is that AWK/grep/sed don't work against COM, WMI, ADSI, the Registry, the certificate store, etc., etc.
In other words, UNIX is an entire ecosystem self-tuned around text files. As such, t...
How to set size for local image using knitr for markdown?
... using this function is that it is portable in the sense that it works for all document formats that knitr supports, so you do not need to think if you have to use, for example, LaTeX or Markdown syntax, to embed an external image. Chunk options related to graphics output that work for normal R plot...
Import CSV to SQLite
...l data. If that's the case with your CSV file, then you do not need to manually create the table using the create table command. The .import command will use the first line in your file to determine the column names and create the table accordingly. You still have to include the name of the table in...