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How do I find out if first character of a string is a number?
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Character.isDigit(string.charAt(0))
Note that this will allow any Unicode digit, not just 0-9. You might prefer:
char c = string.charAt(0);
isDigit = (c >= '0' && c <= '9');
Or the slower regex solutions:
s.substring(0, 1).matches("\\d")
// or the equivalent
s.su...
fetch from origin with deleted remote branches?
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thank you very much. I manually deleted those branches before.
– Maksim Dmitriev
Mar 9 '13 at 13:16
4
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How does one output bold text in Bash?
...e end of the sequence
1 - Bold attribute (see below for more)
[0m - resets all attributes, colors, formatting, etc.
The possible integers are:
0 - Normal Style
1 - Bold
2 - Dim
3 - Italic
4 - Underlined
5 - Blinking
7 - Reverse
8 - Invisible
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Android - custom UI with custom attributes
...="dimension"/>
</declare-styleable>
</resources>
Basically you have to set up one <declare-styleable /> for your view that contains all your custom attributes (here just one). I never found a full list of possible types, so you need to look at the source for one I guess. T...
How to find a table having a specific column in postgresql
...ss query missed two (of 150) tables. The information_schema query captured all of the tables. I'll have to dig around to see why two tables fell outside of the join. In any event thanks for the info!
– Thomas Altfather Good
Aug 26 '19 at 15:30
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Temporarily switch working copy to a specific Git commit
How to switch to specific Git commit without losing all the commits made after it ?
3 Answers
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SVG fill color transparency / alpha?
...or example:
<rect ... fill="#044B94" fill-opacity="0.4"/>
Additionally you have the following:
stroke-opacity attribute for the stroke
opacity for the entire object
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How to use GNU Make on Windows?
I installed MinGW and MSYS, added C:\MinGW\bin to PATH but I still can't run Makefile on Windows' cmd . I would like to run cmd.exe and there type, for example, make all but my cmd says that there is no such command.
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How to select only the first rows for each unique value of a column
...e 2nd technique or Ben Thul's technique. I answered what you asked specifically, with pointers on how to solve more generally.
– gbn
Jan 12 '11 at 4:53
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How can I change the color of pagination dots of UIPageControl?
... f = CGRectMake(0, 0, 320, 20);
PageControl *pageControl = [[[PageControl alloc] initWithFrame:f] autorelease];
pageControl.numberOfPages = 10;
pageControl.currentPage = 5;
pageControl.delegate = self;
[self addSubview:pageControl];
Header file:
//
// PageControl.h
//
// Replacement for UIPage...