大约有 40,000 项符合查询结果(耗时:0.0445秒) [XML]
NOT IN vs NOT EXISTS
...are unlikely to be the ones you want anyway.
When neither Products.ProductID or [Order Details].ProductID allow NULLs the NOT IN will be treated identically to the following query.
SELECT ProductID,
ProductName
FROM Products p
WHERE NOT EXISTS (SELECT *
FROM [Order D...
Running a cron job at 2:30 AM everyday
...ely to get a message prompt on the form:
$ crontab -e
crontab: installing new crontab
"/tmp/crontab.tNt1NL/crontab":7: bad minute
errors in crontab file, can't install.
Do you want to retry the same edit? (y/n)
If you have further problems with crontab not running you can check Debugging crontab...
XPath: select text node
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f5033955%2fxpath-select-text-node%23new-answer', 'question_page');
}
);
...
Why can I type alias functions and use them without casting?
In Go, if you define a new type e.g.:
2 Answers
2
...
Javascript replace with reference to matched group?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f1234712%2fjavascript-replace-with-reference-to-matched-group%23new-answer', 'question_page');
}
);
...
Setting DIV width and height in JavaScript
I have a div with id="div_register" . I want to set its width dynamically in JavaScript.
6 Answers
...
Print the contents of a DIV
...PrintElem(elem)
{
var mywindow = window.open('', 'PRINT', 'height=400,width=600');
mywindow.document.write('<html><head><title>' + document.title + '</title>');
mywindow.document.write('</head><body >');
mywindow.document.write('<h1>' + doc...
Literal notation for Dictionary in C#?
...
You use the collection initializer syntax, but you still need to make a new Dictionary<string, string> object first as the shortcut syntax is translated to a bunch of Add() calls (like your code):
var data = new Dictionary<string, string>
{
{ "test", "val" },
{ "test2", "val...
Haskell error parse error on input `='
I'm new to Haskell and after starting ghci I tried:
4 Answers
4
...
How to format numbers? [duplicate]
... both of which are very slow in comparison. And whilst I learned something new from Michael's answer about toLocaleString, I also was surprised to learn that it is — by quite a way — the slowest method out of them all (at least in Firefox and Chrome; Mac OSX).
Using lastIndexOf() we find the po...