大约有 40,000 项符合查询结果(耗时:0.0726秒) [XML]
Reference alias (calculated in SELECT) in WHERE clause
...probably consider a computed column (and perhaps persisted) instead, especially if a lot of queries refer to this same expression.
PS your fears seem unfounded. In this simple example at least, SQL Server is smart enough to only perform the calculation once, even though you've referenced it twice. ...
How to remove all characters after a specific character in python?
I have a string. How do I remove all text after a certain character? ( In this case ... )
The text after will ... change so I that's why I want to remove all characters after a certain one.
...
In C, how should I read a text file and print all strings
...igned.
If you want to read the file in chunks, but without dynamic memory allocation, you can do:
#define CHUNK 1024 /* read 1024 bytes at a time */
char buf[CHUNK];
FILE *file;
size_t nread;
file = fopen("test.txt", "r");
if (file) {
while ((nread = fread(buf, 1, sizeof buf, file)) > 0)
...
Official way to ask jQuery wait for all images to load before executing something
... DOM is loaded and $(window).on("load", handler) to execute something when all other things are loaded as well, such as the images.
The difference can be seen in the following complete HTML file, provided you have a jollyroger JPEG files (or other suitable ones):
<html>
<head>
...
Find all elements on a page whose element ID contains a certain text using jQuery
I'm trying to find all elements on a page whose element ID contains a certain text. I'll then need to filter the found elements based on whether they are hidden or not. Any help is greatly appreciated.
...
Can two applications listen to the same port?
...cation listening on a single port" that's the reason why ports exist -- to allow multiple applications to share the network without conflicts.
– S.Lott
Nov 7 '09 at 19:41
48
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Which HTML5 reset CSS do you use and why? [closed]
...of a reset sheet. It's making too many assumptions.
BluePrint Reset:(literally a blueprint)
body {
line-height: 1.5;
background: white;
}
Whats up with 1.5. And why background white?(I know it's for correcting but still not necessary)
Normalize.css: (Not normal)
https://github.com/necol...
Fold / Collapse the except code section in sublime text 2
Is there any plugin or shortcut to hide all except code section in sublime text 2?
5 Answers
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What are the undocumented features and limitations of the Windows FINDSTR command?
...utput
The documentation never bothers to explain the output of FINDSTR. It alludes to the fact that matching lines are printed, but nothing more.
The format of matching line output is as follows:
filename:lineNumber:lineOffset:text
where
fileName: = The name of the file containing the matching line....
What is the best Battleship AI?
...n test algorithms.
Download Dreadnought 1.2.
Strategies:
keep track of all possible positions for ships that have >0 hits. The list never gets bigger than ~30K so it can be kept exactly, unlike the list of all possible positions for all ships (which is very large).
The GetShot algorithm has ...