大约有 45,000 项符合查询结果(耗时:0.0368秒) [XML]

https://stackoverflow.com/ques... 

Download File Using Javascript/jQuery

...r the download starts or even inform the user in a friendly manner that an error has occurred. See the Demo for an example of this. Hope this helps someone! Here is a simple use case demo using the plugin source with promises. The demo page includes many other, 'better UX' examples as well. $.fil...
https://stackoverflow.com/ques... 

What is the difference between is_a and instanceof?

...x it now though. The problem is that the instanceof operator throws syntax errors in PHP 4, and since is_a was deprecated at the exact same time as the operator was introduced it became impossible to write code for both PHP 4 and 5 without throwing an E_STRICT around. You can't even do if (version_c...
https://stackoverflow.com/ques... 

How to Set AllowOverride all

... Strange...when I do this I get the internal server error. Does this indicate an error in the .htaccess file located at /var/www/.htaccess? Turning the apache2,conf back to AllowOverride None fixes the error but doesn't allow URL rewrites. – o_O ...
https://stackoverflow.com/ques... 

How do you run a crontab in Cygwin on Windows?

...r.constant.com -P %package_name% Ensure the installer does not throw any errors in the prompt ... If it has - you probably have some cygwin binaries running or you are not an Windows admin, or some freaky bug ... Now in cmd promt: C:\cygwin64\bin\cygrunsrv.exe -I cron -p /usr/sbin/cron -a -D ...
https://stackoverflow.com/ques... 

What is the difference between 'my' and 'our' in Perl?

...to use them under use strict without getting typo warnings or compile-time errors. Since Perl 5.6, it has replaced the obsolete use vars, which was only file-scoped, and not lexically scoped as is our. For example, the formal, qualified name for variable $x inside package main is $main::x. Declarin...
https://stackoverflow.com/ques... 

How to set breakpoints in inline Javascript in Google Chrome?

...ript console, which itself is buggy - for example, once it encounters a JS error, I cannot get out of it unless I refresh the whole page. Can someone help? ...
https://stackoverflow.com/ques... 

Difference of keywords 'typename' and 'class' in templates?

...ctual classes, you're better off adding a specialization to throw/cause an error for non-class types. If you want to limit use to particular classes, only specialize for them. In any case, such a stylistic distinction is too subtle to get the message across. – Potatoswatter ...
https://stackoverflow.com/ques... 

nginx showing blank PHP pages

...ver with php5-fpm. When I try to load the site I get a blank page with no errors. Html pages are served fine but not php. I tried turning on display_errors in php.ini but no luck. php5-fpm.log is not producing any errors and neither is nginx. ...
https://stackoverflow.com/ques... 

Abstract class in Java

... following: public class ImplementingClass extends AbstractClass { // ERROR! } There's no method that implements abstractMethod()! So there's no way for the JVM to know what it's supposed to do when it gets something like new ImplementingClass().abstractMethod(). Here's a correct Implementi...
https://stackoverflow.com/ques... 

How can I pass arguments to a batch file?

...like "&"^&, as it's not possible to access %1 without producing an error. set var=%1 set "var=%1" set var=%~1 set "var=%~1" The lines expand to set var="&"& set "var="&"&" set var="&"& set "var="&"&" And each line fails, as one of the & is ou...