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SVN needs-lock 设置强制只读属性（官方资料） - 更多技术 - 清泛网 - 专注...
...ioning of binary files should follow the lock-modify-unlock model[1]. This setup uses the following three measures
forces users to use property svn:needs-lock on newly added binary files. Denies commits when the property is not available
sets the svn:needs-lock property on all already existing ...
Linq: What is the difference between Select and Where
...ing you specified. Where filters the IEnumerable so that it gives you a subset of the original IEnumerable.
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Is it possible in Java to access private fields via reflection [duplicate]
...y is - assuming you've got the appropriate security permissions. Use Field.setAccessible(true) first if you're accessing it from a different class.
import java.lang.reflect.*;
class Other
{
private String str;
public void setStr(String value)
{
str = value;
}
}
class Test
...
Hidden features of Windows batch files
...
Variable substrings:
> set str=0123456789
> echo %str:~0,5%
01234
> echo %str:~-5,5%
56789
> echo %str:~3,-3%
3456
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Java FileOutputStream Create File if not exists
Is there a way to use FileOutputStream in a way that if a file (String filename) does not exist, then it will create it?
9 ...
Can PHP cURL retrieve response headers AND body in a single request?
...nual/en/function.curl-exec.php#80442
Code example:
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
// ...
$response = curl_exec($ch);
// Then, after your curl_exec call:
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header = substr($r...
How do I delete/remove a shell function?
...
unset -f z
Will unset the function named z. A couple people have answered with:
unset z
but if you have a function and a variable named z only the variable will be unset, not the function.
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
...l trick if your input can be zero is __builtin_clz(x | 1): unconditionally setting the low bit without modifying any others makes the output 31 for x=0, without changing the output for any other input.
To avoid needing to do that, your other option is platform-specific intrinsics like ARM GCC's __c...
In Scala how do I remove duplicates from a list?
...st[java.lang.String] = List(a, b, c)
Update. Others have suggested using Set rather than List. That's fine, but be aware that by default, the Set interface doesn't preserve element order. You may want to use a Set implementation that explicitly does preserve order, such as collection.mutable.Linke...
Simple way to find if two different lists contain exactly the same elements?
... want to check independent of order, you could copy all of the elements to Sets and use equals on the resulting Sets:
public static <T> boolean listEqualsIgnoreOrder(List<T> list1, List<T> list2) {
return new HashSet<>(list1).equals(new HashSet<>(list2));
}
A lim...