大约有 3,000 项符合查询结果（耗时：0.0276秒） [XML]
Choice between vector::resize() and vector::reserve()
...<(v1.capacity()==1000)<< endl; //prints 1
std::vector<int> v2;
v2.reserve(1000); //only allocation
cout <<(v2.size() == 1000)<< endl; //prints 0
cout <<(v2.capacity()==1000)<< endl; //prints 1
Output (online demo):
1
1
0
1
So resize() may not be desirab...
Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...th the UPX e
000000C0 78 65 63 75 74 61 62 6C 65 20 70 61 63 6B 65 72 xecutable packer
000000D0 20 68 74 74 70 3A 2F 2F 75 70 78 2E 73 66 2E 6E http://upx.sf.n
000000E0 65 74 20 24 0A 00 24 49 64 3A 20 55 50 58 20 31 et $..$Id: UPX 1
000000F0 2E 32 34 20 43 6F 70 79...
How to set Meld as git mergetool
...ui after you git config (to take a change)
– Yohanes AI
Sep 1 at 10:24
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Gcc error: gcc: error trying to exec 'cc1': execvp: No such file or directory
...for CentOS and Fedora Linux
Solution for: Amazon Linux
sudo yum install gcc72-c++
Taken from this comment by CoderChris
You could also try to install missed dependencies by this (though, it is said to not to solve the issue):
sudo yum install gcc-c++.noarch
Taken from this answer
...
How does this giant regex work?
...P0M5mwbWRXf2nYMIvIGZtxiooy2BVN7lqoas+zOduzFvtvhEDl7bYRaRzUHQxChrmE1a3uDZ/yfv21H8S099ILB7Vfsl1GIGqx1qkzr70+ePNkSj24D/9u647DVeFCNx19BFprGLfbzLGZv531v4FQ/uuHAmTpbEyeEDX2rvnXthrHXd/x12FeMpq04mKUwojqMBCuYJobBVyZSh8PhVpagZrNJGaKZM62OG1VHwov2Z2veBHcLzjRWcJzK9YXrjcZAbI/EN0odN77Cawiv6747jFtPZ7BXCXwQrEVvzpzBA...
How do you compare two version Strings in Java?
...re("1.a", "1.9");
}
private static void compare(String v1, String v2) {
String s1 = normalisedVersion(v1);
String s2 = normalisedVersion(v2);
int cmp = s1.compareTo(s2);
String cmpStr = cmp < 0 ? "<" : cmp > 0 ? ">" : "==";
System.out.prin...
Does MSTest have an equivalent to NUnit's TestCase?
...
Microsoft recently announced "MSTest V2" (see blog-article). This allows you to consistently (desktop, UWP, ...) use the DataRow-attribute!
[TestClass]
public class StringFormatUtilsTest
{
[DataTestMethod]
[DataRow("tttt", "")]
[Data...
How does PHP 'foreach' actually work?
...he same one):
foreach ($array as &$v1) {
foreach ($array as &$v2) {
if ($v1 == 1 && $v2 == 1) {
unset($array[1]);
}
echo "($v1, $v2)\n";
}
}
// Output: (1, 1) (1, 3) (1, 4) (1, 5)
The expected part here is that (1, 2) is missing from th...
What's the best way to learn LISP? [closed]
... and C for a couple or years now, and I just finished reading Hackers and Painters, so I would love to give LISP a try!
23 ...
Remove Primary Key in MySQL
...
Without an index, maintaining an autoincrement column becomes too expensive, that's why MySQL requires an autoincrement column to be a leftmost part of an index.
You should remove the autoincrement property before dropping the key:
ALTER TABL...