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How to import a .cer certificate into a java keystore?
...elopment of a Java webservice client I ran into a problem. Authentication for the webservice is using a client certificate, a username and a password. The client certificate I received from the company behind the webservice is in .cer format. When I inspect the file using a text editor, it has the...
How to convert / cast long to String?
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See the reference documentation for the String class: String s = String.valueOf(date);
If your Long might be null and you don't want to get a 4-letter "null" string, you might use Objects.toString, like: String s = Objects.toString(date, null);
EDIT:
Yo...
Pandas: Looking up the list of sheets in an excel file
...es
xl.parse(sheet_name) # read a specific sheet to DataFrame
see docs for parse for more options...
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How do I measure separate CPU core usage for a process?
Is there any way to measure a specific process CPU usage by cores?
8 Answers
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Throw away local commits in Git
Due to some bad cherry-picking, my local Git repository is currently five commits ahead of the origin, and not in a good state. I want to get rid of all these commits and start over again.
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Android: Difference between onInterceptTouchEvent and dispatchTouchEvent?
...hink of it as a controller which decides how to route the touch events.
For example, the simplest case is that of View.dispatchTouchEvent which will route the touch event to either OnTouchListener.onTouch if it's defined or to the extension method onTouchEvent.
For ViewGroup.dispatchTouchEvent th...
VIM: Deleting from current position until a space
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Try dtspace. In general dtx deletes from current position till just before x. Just tx moves the cursor to just before character x in current line.
To delete up to and including the space, use dfspace.
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How to loop through files matching wildcard in batch file
I have a set of base filenames, for each name 'f' there are exactly two files, 'f.in' and 'f.out'. I want to write a batch file (in Windows XP) which goes through all the filenames, for each one it should:
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Best way to display decimal without trailing zeroes
Is there a display formatter that will output decimals as these string representations in c# without doing any rounding?
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Using Java to find substring of a bigger string using Regular Expression
...rackets in the first group. Have a look at the Pattern API Documentation for more information.
To extract the string, you could use something like the following:
Matcher m = MY_PATTERN.matcher("FOO[BAR]");
while (m.find()) {
String s = m.group(1);
// s now contains "BAR"
}
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