大约有 15,461 项符合查询结果（耗时：0.0278秒） [XML]
What is the advantage to using bloom filters?
...nts themselves, this is the crucial point. You don't use a bloom filter to test if an element is present, you use it to test whether it's certainly not present, since it guarantees no false negatives. This lets you not do extra work for elements that don't exist in a set (such as disk IO to look the...
C# generic list how to get the type of T? [duplicate]
...>?
Here's the gutsy solution. It assumes you have the actual object to test (rather than a Type).
public static Type ListOfWhat(Object list)
{
return ListOfWhat2((dynamic)list);
}
private static Type ListOfWhat2<T>(IList<T> list)
{
return typeof(T);
}
Example usage:
obje...
Can I target all tags with a single selector?
...
This does not work. Please test your code before posting an answer as this is detrimental to anyone who may try using it. I edited your answer with tested and working code.
– Hybrid web dev
Nov 28 '19 at 22:22
...
How to make the 'cut' command treat same sequental delimiters as one?
... all the possible combinations for future readers. Explanations are at the Test section.
tr | cut
tr -s ' ' < file | cut -d' ' -f4
awk
awk '{print $4}' file
bash
while read -r _ _ _ myfield _
do
echo "forth field: $myfield"
done < file
sed
sed -r 's/^([^ ]*[ ]*){3}([^ ]*).*/\2/' ...
How to adjust text font size to fit textview
...rs);
initialise();
}
private void initialise() {
mTestPaint = new Paint();
mTestPaint.set(this.getPaint());
//max size defaults to the initially specified text size unless it is too small
}
/* Re size the font so the specified text fits in the text b...
Getting the folder name from a path
...directory for a path when no filename is in the path:
for example "c:\tmp\test\visual";
string dir = @"c:\tmp\test\visual";
Console.WriteLine(dir.Replace(Path.GetDirectoryName(dir) + Path.DirectorySeparatorChar, ""));
Output:
visual
...
Insert space before capital letters
...;
For special cases when 2 consecutive capital letters occur (Eg: ThisIsATest) add additional code below:
s = s.replace(/([A-Z])([A-Z])/g, '$1 $2');
share
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improve this answer
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...
Adding a newline into a string in C#
...
{
static void Main()
{
WriteToFile
(
@"C:\test.txt",
"fkdfdsfdflkdkfk@dfsdfjk72388389@kdkfkdfkkl@jkdjkfjd@jjjk@",
"@"
);
/*
output in test.txt in windows =
fkdfdsfdflkdkfk@
dfsdfjk72388389@
kdkfkdfkkl@
...
Android encryption / decryption using AES [closed]
...
If you are encrypting a text file, then the following test/sample may be useful. It does the following:
Create a byte stream,
wraps that with AES encryption,
wrap it next with text processing
and lastly buffers it
// AESdemo
public class AESdemo extends Activity {
boo...
What are the differences between the different saving methods in Hibernate?
.... I’ll be adding new functionality to a complex application. All my unit tests work fine. Then in testing the UI, trying to save an object, I start getting an exception with the message “a different object with the same identifier value was already associated with the session.” Here’s some e...