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How to check if a String contains another String in a case insensitive manner in Java?
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Yes, contains is case sensitive. You can use java.util.regex.Pattern with the CASE_INSENSITIVE flag for case insensitive matching:
Pattern.compile(Pattern.quote(wantedStr), Pattern.CASE_INSENSITIVE).matcher(source).find();
EDIT: If s2 contains regex special characters (of which th...
What is “Orthogonality”?
...hogonality is the property that means "Changing A does not change B". An example of an orthogonal system would be a radio, where changing the station does not change the volume and vice-versa.
A non-orthogonal system would be like a helicopter where changing the speed can change the direction.
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How to convert an int to string in C?
...se itoa() function to convert your integer value to a string.
Here is an example:
int num = 321;
char snum[5];
// convert 123 to string [buf]
itoa(num, snum, 10);
// print our string
printf("%s\n", snum);
If you want to output your structure into a file there is no need to convert any value ...
What characters can be used for up/down triangle (arrow without stem) for display in HTML?
... - U+25BE SMALL BLACK DOWN-POINTING TRIANGLE
For ▲ and ▼ use ▲ and ▼ respectively if you cannot include Unicode characters directly (use UTF-8!).
Note that the font support for the smaller versions is not as good. Better to use the large versions in smaller font.
More U...
Change size of axes title and labels in ggplot2
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You can change axis text and label size with arguments axis.text= and axis.title= in function theme(). If you need, for example, change only x axis title size, then use axis.title.x=.
g+theme(axis.text=element_text(size=12),
axis.ti...
Write bytes to file
I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example,
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Get program execution time in the shell
I want to execute something in a linux shell under a few different conditions, and be able to output the execution time of each execution.
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Struct Constructor in C++?
...ic by default in structs.
So structs can have constructors, and the syntax is the same as for classes.
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Reading Excel files from C#
Is there a free or open source library to read Excel files (.xls) directly from a C# program?
32 Answers
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Number of occurrences of a character in a string [duplicate]
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int count = test.Split('&').Length - 1;
Or with LINQ:
test.Count(x => x == '&');
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