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...
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其他好文 时间:
2015-05-04 13:24:31
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200
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...
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其他好文 时间:
2015-05-04 12:07:38
阅读次数:
135
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 ...
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数据库 时间:
2015-05-02 22:05:47
阅读次数:
300
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...
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其他好文 时间:
2015-05-02 19:28:04
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130
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...
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其他好文 时间:
2015-05-02 18:10:35
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123
代码:- (void)doTest { NSBlockOperation * bop = [NSBlockOperation blockOperationWithBlock:^{ if (!bop.isCancelled) { // ... ...
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其他好文 时间:
2015-05-02 18:10:13
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2866
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....
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其他好文 时间:
2015-05-02 11:15:16
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539
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。...
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编程语言 时间:
2015-04-30 12:21:51
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208
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...
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移动开发 时间:
2015-04-30 10:22:00
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286
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...
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编程语言 时间:
2015-04-30 08:58:13
阅读次数:
135