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Volatile Vs Atomic [duplicate]
I read somewhere below line.
6 Answers
6
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How do I create a Java string from the contents of a file?
...sing the idiom below for some time now. And it seems to be the most wide-spread, at least on the sites I've visited.
32 Ans...
How to append output to the end of a text file
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To append a file use >>
echo "hello world" >> read.txt
cat read.txt
echo "hello siva" >> read.txt
cat read.txt
then the output should be
hello world # from 1st echo command
hello world # from 2nd echo command
hello siva
To overwrite a file use ...
How to determine the encoding of text?
...oding of a file by doing:
import magic
blob = open('unknown-file', 'rb').read()
m = magic.open(magic.MAGIC_MIME_ENCODING)
m.load()
encoding = m.buffer(blob) # "utf-8" "us-ascii" etc
There is an identically named, but incompatible, python-magic pip package on pypi that also uses libmagic. It can...
How to detect incoming calls, in an Android device?
... do this:
Manifest:
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS"/>
<!--This part is inside the application-->
<receiver android:name=".CallReceiver" >
<intent...
How to read file contents into a variable in a batch file?
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Read file contents into a variable:
for /f "delims=" %%x in (version.txt) do set Build=%%x
or
set /p Build=<version.txt
Both will act the same with only a single line in the file, for more lines the for variant will ...
how can you easily check if access is denied for a file in .NET?
...rmission is not allowed at that instance, the software will not attempt to read the file, even if permission may very well be granted just after permissions were checked.
– Triynko
Nov 29 '11 at 5:41
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How to read embedded resource text file
How do I read an embedded resource (text file) using StreamReader and return it as a string? My current script uses a Windows form and textbox that allows the user to find and replace text in a text file that is not embedded.
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How to process each line received as a result of grep command
... store the output in a variable, but directly iterate over it with a while/read loop.
Something like:
grep xyz abc.txt | while read -r line ; do
echo "Processing $line"
# your code goes here
done
There are variations on this scheme depending on exactly what you're after.
If you need to ...
Take a char input from the Scanner
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You could take the first character from Scanner.next:
char c = reader.next().charAt(0);
To consume exactly one character you could use:
char c = reader.findInLine(".").charAt(0);
To consume strictly one character you could use:
char c = reader.next(".").charAt(0);
...