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Can you do a partial checkout with Subversion?
If I had 20 directories under trunk/ with lots of files in each and only needed 3 of those directories, would it be possible to do a Subversion checkout with only those 3 directories under trunk?
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How can I change the color of AlertDialog title and the color of the line under it
I changed the color of an AlertDialog title using this command
14 Answers
14
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App Inventor 2 数学代码块 · App Inventor 2 中文网
...+ )
减 ( - )
乘 ( * )
除 ( / )
幂运算 ( ^ )
随机整数 (random integer)
随机小数 (random fraction)
设定随机数种子 (random set seed to)
最小值 (min)
最大值 (max)
平方根 (square root)
绝对值 (abs)
相反数 (neg)
对数 (log)
e^
四舍五入...
std::string to float or double
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The Standard Library (C++11) offers the desired functionality with std::stod :
std::string s = "0.6"
std::wstring ws = "0.7"
double d = std::stod(s);
double dw = std::stod(ws);
Generally for most other basic types, see <st...
Generating CSV file for Excel, how to have a newline inside a value
...ot strip off leading spaces. You will get unwanted spaces in your headings and data fields. Worse, the " that should be "protecting" that line-break in the third column will be ignored because it is not at the start of the field.
If you have non-ASCII characters (encoded in UTF-8) in the file, you ...
Why Would I Ever Need to Use C# Nested Classes [duplicate]
I'm trying to understand about nested classes in C#. I understand that a nested class is a class that is defined within another class, what I don't get is why I would ever need to do this.
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How/When does Execute Shell mark a build as failure in Jenkins?
...refer). It will email committers when their fixes fixed the failing build. And more and more. Jenkins archiving the artifacts also makes them available, per build, straight off Jenkins. While not as crucial as the SVN checkout, this is once again an integral part of what makes it Jenkins. Same with ...
Remove blank lines with grep
I tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system.
14 Answers
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How to disable/enable select field using jQuery?
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$('#pizza_kind').prop('disabled', false); and $('#pizza_kind').prop('disabled', true);. As jQuery's documentation says: Properties generally affect the dynamic state of a DOM element without changing the serialized HTML attribute. Examples include the value property ...
Virtual Serial Port for Linux
...erial port is a "real teletype") for this. From one end, open /dev/ptyp5, and then attach your program to /dev/ttyp5; ttyp5 will act just like a serial port, but will send/receive everything it does via /dev/ptyp5.
If you really need it to talk to a file called /dev/ttys2, then simply move your ol...