大约有 30,000 项符合查询结果（耗时：0.0520秒） [XML]
Disable browser's back button
... browser, but you can make it so that your application breaks (displays an error message, requiring the user to start over) if the user goes back.
One approach I have seen for doing this is to pass a token on every URL within the application, and within every form. The token is regenerated on ever...
Javascript !instanceof If Statement
...or.
if (obj !instanceof Array) {
// do something
}
This is a syntax error. Operators such as != are a single operator, as opposed to a NOT applied to an EQUALS. There is no such operator as !instanceof in the same way as there is no !< operator.
...
HTML character decoding in Objective-C / Cocoa Touch
... Code update for ARC would be handy.. Xcode is throwing ton of ARC errors and warnings on build
– Matej
Jul 26 '12 at 22:46
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show 9...
Get full path without filename from path that includes filename
...er using System.IO; to utilise path methods
– Syntax Error
Dec 22 '17 at 10:41
Note that this doesn't include a traili...
JavaScript, get date of the next day [duplicate]
...start with "0" is octal and has been deprecated. So this code may cause an error in strict mode. And, what you wrote is 03 instead of 04 ...
– tsh
Jan 20 '15 at 4:42
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How to structure a express.js application?
Is there a common convention for breaking up and modularizing the app.js file in an Express.js application? Or is it common to keep everything in a single file?
...
Rails migration: t.references with alternative name?
...fy a foreign_key option in the table creation like this ways, it raises an error saying the very table I'm creating doesn't exist... So I suspect it's not really supported by the official API.
– Quv
Nov 7 '17 at 3:53
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How to apply CSS to iframe?
...this solution work with google docs. Its throwing all sorts of javascript errors. "Uncaught TypeError: Cannot read property 'a' of undefined "
– deweydb
Aug 19 '14 at 23:52
1
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How do I use CREATE OR REPLACE?
...E in a script, and you don't care for the spurious "object does not exist" errors (when the DROP doesn't find the table), you can do this:
BEGIN
EXECUTE IMMEDIATE 'DROP TABLE owner.mytable';
EXCEPTION
WHEN OTHERS THEN
IF sqlcode != -0942 THEN RAISE; END IF;
END;
/
...
What is Haskell used for in the real world? [closed]
...ation is a really nice feature:
Even if something would usually cause an error, it will still work as long as you don't use the result. For example, you could put 1 / 0 as the first item of a list and it will still work if you only used the second item.
It is easier to write search programs such a...