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Testing for empty or nil-value string [duplicate]
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edited Apr 13 '13 at 14:57
answered Apr 13 '13 at 14:44
J...
What is define([ , function ]) in JavaScript? [duplicate]
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answered Jun 5 '13 at 21:57
Tom StudeeTom Studee
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Docker, mount volumes as readonly
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AlpAlp
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what is Segmentation fault (core dumped)? [duplicate]
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145
"Segmentation fault" means that you tried to access memory that you do not have access to.
The ...
Creating object with dynamic keys [duplicate]
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In the new ES2015 standard for JavaScript (formerly called ES6), objects can be created with computed keys: Object Initializer spec.
The syntax is:
var obj = {
[myKey]: value,
}
If applied to the OP's scenario, it would turn into:
stu...
Press any key to continue [duplicate]
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Jeff B
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answered Jan 2 '14 at 15:44
Knuckle-DraggerKn...
PHP报错：Only variables should be passed by reference - C/C++ - 清泛网 - 专注C/C++及内核技术
...06行：$tag_sel = array_shift(explode(' ', $tag));
解决办法 1 ：
5.3以上版本的问题，应该也和配置有关 只要406行把这一句拆成两句就没有问题了
$tag_sel = array_shift(explode(' ', $tag));
改成：
$tag_arr = explode(' ', $tag);
$tag_sel = array_shift($tag...
error MSB6006: “cmd.exe”已退出，代码为 3 - C/C++ - 清泛网 - 专注C/C++及内核技术
... Program Files MSBuild Microsoft.Cpp v4.0 Microsoft.CppCommon.targets(151,5): error MSB6006: cmd.exe已退出，代码为 3。1>1...1>C:\Program Files\MSBuild\Microsoft.Cpp\v4.0\Microsoft.CppCommon.targets(151,5): error MSB6006: “cmd.exe”已退出，代码为 3。
1>
1>生成失败
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C/C++ 如何向上取整？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...法：#include <math.h>int _tmain(int argc, _TCHAR* argv[]){int a = 6, b = 5; ceil函数printf("%d...一般地，向上取整有两种方法：
#include <math.h>
int _tmain(int argc, _TCHAR* argv[])
{
int a = 6, b = 5;
//ceil函数
printf("%d\n", (int)ceil((double)a / (double)b));
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_block_type_is_valid(phead- nblockuse) - C/C++ - 清泛网 - 专注C/C++及内核技术
...，例如:
void testSharedPtr1()
{
//std::shared_ptr<TC> pt(new TC[5]); // will crash , since default desctrctor using delete
std::shared_ptr<TC> sptr1(new TC[5],
[](TC* p) { delete[] p; });
}
这里std::shared_ptr默认使用delete删除，因此会导致出现上述错误。使用lamd...