大约有 40,000 项符合查询结果(耗时:0.0627秒) [XML]

https://stackoverflow.com/ques... 

Add a CSS class to

... <%= f.submit 'name of button here', :class => 'submit_class_name_here' %> This should do. If you're getting an error, chances are that you're not supplying the name. Alternatively, you can style the button without a class: form#form_id_here input[type=submit] Try that,...
https://stackoverflow.com/ques... 

What is the difference between `-fpic` and `-fPIC` gcc parameters?

... What's more: I did a little experiment here (on x86_64 platform), -fPIC and -fpic appears to have generated the same code. It seems they generate a different code only on m68k, PowerPC and SPARC. – Denilson Sá Maia Jan 25 '11 at 11:49 ...
https://stackoverflow.com/ques... 

“sending 'const NSString *' to parameter of type 'NSString *' discards qualifiers” warning

...ion/Foundation.h> @interface Constants : NSObject extern NSString *APP_STATE_LOGGED_IN; extern NSString *APP_STATE_LOGGED_OUT; @end // Constants.m #import <Foundation/Foundation.h> #import "Constants.h" @implementation Constants NSString *APP_STATE_LOGGED_IN = @"APP_STATE_LOGGED_IN"; ...
https://stackoverflow.com/ques... 

How do you increase the max number of concurrent connections in Apache?

...20160415001028/http://www.genericarticles.com/mediawiki/index.php?title=How_to_optimize_apache_web_server_for_maximum_concurrent_connections_or_increase_max_clients_in_apache ServerLimit 16 StartServers 2 MaxClients 200 MinSpareThreads 25 MaxSpareThreads 75 ThreadsPerChild 25 First of all, whenev...
https://stackoverflow.com/ques... 

rmagick gem install “Can't find Magick-config”

... PATH variable with additional path to ImageMagick lib. PATH="/usr/lib/x86_64-linux-gnu/ImageMagick-6.8.9/bin-Q16:$PATH" then run gem install rmagick source of solution share | improve this answe...
https://stackoverflow.com/ques... 

Could not load file or assembly 'System.Web.Mvc'

...heck the MVC related check boxes in the following dialog. This creates a '_bin_deployableAssemblies' folder in the project which contains all the .dll files mentioned in other answers. I believe these get copied to the bin folder when creating a deployment package. ...
https://stackoverflow.com/ques... 

PHP PDO returning single row

... $stmt->execute(); $row = $stmt->fetch(); – low_rents Jun 25 '14 at 9:16 2 ...
https://stackoverflow.com/ques... 

How do I know which version of Javascript I'm using?

...es my browser's JavaScript/JSscript engine conform to". For IE : alert(@_jscript_version); //IE Refer Squeegy's answer for non-IE versions :) share | improve this answer | ...
https://stackoverflow.com/ques... 

How SID is different from Service name in Oracle tnsnames.ora

...e as SID and you can also give it any other name you want. SERVICE_NAME is the new feature from oracle 8i onwards in which database can register itself with listener. If database is registered with listener in this way then you can use SERVICE_NAME parameter in tnsnames.ora othe...
https://stackoverflow.com/ques... 

C read file line by line

...ppet involving the getline() function (see the manual page here): #define _GNU_SOURCE #include <stdio.h> #include <stdlib.h> int main(void) { FILE * fp; char * line = NULL; size_t len = 0; ssize_t read; fp = fopen("/etc/motd", "r"); if (fp == NULL) exit...