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How to make grep only match if the entire line matches?
...
grep -Fx ABB.log a.tmp
From the grep man page:
-F, --fixed-strings
Interpret PATTERN as a (list of) fixed strings
-x, --line-regexp
Select only those matches that exactly match the whole line.
share
...
Detect if stdin is a terminal or pipe?
...e:
#include <unistd.h>
#include <stdio.h>
int main(int argc, char **argv)
{
if (isatty(fileno(stdin)))
puts("stdin is connected to a terminal");
else
puts("stdin is NOT connected to a terminal");
return 0;
}
The following section compares different methods that can be u...
“The file ”MyApp.app“ couldn't be opened because you don't have permission to view it” when running
...nce:
<key>CFBundleDevelopmentRegion</key>
<string>en</string>
<key>CFBundleExecutable</key>
- <string>iOS</string>
+ <string>${EXECUTABLE_NAME}</string>
<key>CFBundleIdentifier</key>
...
How can I use speech recognition without the annoying dialog in android phones
...rsionCallback {
override fun onSuccess(result: String) {
sttOutput.text = result
}
override fun onCompletion() {
}
override fu...
What exactly does the .join() method do?
...d by .join() which I have read is the preferred method for concatenating strings.
9 Answers
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What is the type of lambda when deduced with “auto” in C++11?
... pretty(T && t) { return __PRETTY_FUNCTION__; }, and strip off the extra if it starts to get crowded. I prefer to see the steps shown in template substitution. If you're missing __PRETTY_FUNCTION__, there are alternatives for MSVC, etc., but the results are always compiler-dependent for the ...
Regular Expression to match only alphabetic characters
I was wondering If I could get a regular expression which will match a string that only has alphabetic characters, and that alone.
...
How can we prepend strings with StringBuilder?
I know we can append strings using StringBuilder . Is there a way we can prepend strings (i.e. add strings in front of a string) using StringBuilder so we can keep the performance benefits that StringBuilder offers?
...
Difference between angle bracket < > and double quotes “ ” while including header files in C++? [dup
...tion 6.10.2):
A preprocessing directive of the form
# include <h-char-sequence> new-line
searches a sequence of implementation-defined places for a header identified uniquely by the specified sequence between the < and > delimiters, and causes the replacement of that directi...
What is a unix command for deleting the first N characters of a line?
... be the best tool for this as it can both filter and perform the necessary string manipulation functions on filtered lines:
tail -f logfile | awk '/org.springframework/ {print substr($0, 6)}'
or
tail -f logfile | awk '/org.springframework/ && sub(/^.{5}/,"",$0)'
...
