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解决VS2013中“This function or variable may be unsafe”的问题
1、在VS2013中编译代码时出现如上错误信息,下面就介绍下如何解决This function or variable may be unsafe的问题。2、用VS2013打开出现错误的代码文件3、在工程文件名处右击鼠标打开快捷菜单,找到“属性”选项,进入项目属性页面4、项目属性页面如下图所示5、在...
分类:其他好文   时间:2015-05-04 13:24:31    阅读次数:200
__weak与__block修饰符到底有什么区别
API Reference对__block变量修饰符有如下几处解释://A powerful feature of blocks is that they can modify variables in the same lexical scope. You signal that a block can modify a variable using the __block storage typ...
分类:其他好文   时间:2015-05-04 12:07:38    阅读次数:135
innodb RC级别下加锁特殊情况
In MySQL5.7, when READ COMMITTED isolation level is used, or the deprecated innodb_locks_unsafe_for_binlogsystem variable is enabled, there is no InnoDB gap locking exceptfor foreign-key constraint ...
分类:数据库   时间:2015-05-02 22:05:47    阅读次数:300
C Looooops(poj2115+扩展欧几里德)
C Looooops Description A Compiler Mystery: We are given a C-language style for loop of type for (variable = A; variable != B; variable += C) sta...
分类:其他好文   时间:2015-05-02 19:28:04    阅读次数:130
C Looooops(欧几里德+poj2115)
C Looooops Description A Compiler Mystery: We are given a C-language style for loop of type for (variable = A; variable != B; variable += C) statement; I.e., a loop which starts by setting variable to value A and while variable is not equal to B, repe...
分类:其他好文   时间:2015-05-02 18:10:35    阅读次数:123
Variable 'bop' is uninitialized when captured by block
代码:- (void)doTest { NSBlockOperation * bop = [NSBlockOperation blockOperationWithBlock:^{ if (!bop.isCancelled) { // ... ...
分类:其他好文   时间:2015-05-02 18:10:13    阅读次数:2866
LD_LIBRARY_PATH shouldn't contain the current directory when building glibc. Please change the envir
执行# ./glibc-2.14/configure 出现以下错误:checking LD_LIBRARY_PATH variable... contains current directory configure: error: *** LD_LIBRARY_PATH shouldn't contain the current directory when *** building glibc....
分类:其他好文   时间:2015-05-02 11:15:16    阅读次数:539
Python字典内置函数&方法
字典内置函数&方法Python字典包含了以下内置函数:序号函数及描述1cmp(dict1, dict2)比较两个字典元素。2len(dict)计算字典元素个数,即键的总数。3str(dict)输出字典可打印的字符串表示。4type(variable)返回输入的变量类型,如果变量是字典就返回字典类型。...
分类:编程语言   时间:2015-04-30 12:21:51    阅读次数:208
IOS Hook 类成员变量
It seems that in your case you are trying to use aninstance variableof the class you are hooking. Modifying the instance variable does not work that w...
分类:移动开发   时间:2015-04-30 10:22:00    阅读次数:286
几乎所有编程语言的hello, world程序(2)
D// Hello World in Dimport std.stdio;void main() { writefln("Hello World!"); }D4// Hello World as a relation-variable in D4select row { "Hello World" AMessage } Darkbasic` Hello World in Darkbasicpr...
分类:编程语言   时间:2015-04-30 08:58:13    阅读次数:135
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