I am using Ruby on Rails 3.1.0 and I would like to validate a class attribute just to avoid to store in the database a string containing these characters: (blank space), <, >, ", #, %, {, }, |, ...
在C11,增加了一个新的插图,增加了序号8。 这使一系列的果园和文本被编码到UTF-8。 如何做到这一点? 是否签署了正常的果园? ......
我说,我从来就没有学到这一点。 我以前从未这样做过。 我已经看到了Starcat(S1,S2),但此处不适用吗?
我试图从以下档案(从网上上载)中将每个IP线连接起来,而Im将储存数据库中的数值,以便将其放在一个阵列中。
我的病媒包括“ZZ1Z01Z0Z0Z0”等条目“1001Z0Z0Z0Z0Z0Z0Z0Z0”,等等。
我有一项方案,即我拥有200个特性,表明我分成几个部分,并试图将这些部分分成两组或一组点人加以扼杀......。
我想用定期表达方式分立一个扼杀,但我已陷入一些问题。 我有这样的说明:
#include <stdio.h> int main(void) { char a[100] = "hi"; strcat(a, a); strcat(a, a); printf("%s ", a); return 0; }
I want to replace a substring (e.g. @"replace") of an NSAttributedString with another NSAttributedString. I am looking for an equivalent method to NSString s stringByReplacingOccurrencesOfString:...
Ok I m really new to this and am not even sure I m asking the right question but I want to create an object that has some regualr values like strings and ints etc. But in addition I want one of the ...
我想测试和看,“果园”类变量能否与“che”这样的固定体进行比较,以便进行比较:
在复制C号插图时,我必须注意哪些因素? 什么是错的?
I want to remove all the trailing whitespace characters in a QString. I am looking to do what the Python function str.rstrip() with a QString. I did some Googling, and found this: http://www.qtforum....
