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How does grep run so fast?
...g character.
GNU grep also unrolls the inner loop of Boyer-Moore, and sets up the
Boyer-Moore delta table entries in such a way that it doesn't need to
do the loop exit test at every unrolled step. The result of this is
that, in the limit, GNU grep averages fewer than 3 x86 instructions
...
No appenders could be found for logger(log4j)?
...operties (taken from the above mentioned guide) file to your classpath:
# Set root logger level to DEBUG and its only appender to A1.
log4j.rootLogger=DEBUG, A1
# A1 is set to be a ConsoleAppender.
log4j.appender.A1=org.apache.log4j.ConsoleAppender
# A1 uses PatternLayout.
log4j.appender.A1.layou...
Gradle: How to Display Test Results in the Console in Real Time?
....logging.TestLogEvent
tasks.withType(Test) {
testLogging {
// set options for log level LIFECYCLE
events TestLogEvent.FAILED,
TestLogEvent.PASSED,
TestLogEvent.SKIPPED,
TestLogEvent.STANDARD_OUT
exceptionFormat TestExceptionFo...
How do I create a unique ID in Java? [duplicate]
I'm looking for the best way to create a unique ID as a String in Java.
11 Answers
11
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When to use dynamic vs. static libraries
...al to Linux, rather RIP-relative addressing added with the x64 instruction set; both Windows and Linux can make use of RIP relative addressing do reduce the number of fixups when relocating libraries.
– clemahieu
Aug 3 '13 at 15:47
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Bash continuation lines
...h array member separated by the first character of the
IFS variable
So set IFS='' to get rid of extra space
$ IFS=''
$ echo "${str_array[*]}"
continuationlines
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Is it possible to start activity through adb shell? [duplicate]
I want to start activity through adb shell. So that I can launch a specific activity that is needed
6 Answers
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How can I create a correlation matrix in R?
I have 92 set of data of same type.
5 Answers
5
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Pandas DataFrame column to list [duplicate]
I am pulling a subset of data from a column based on conditions in another column being met.
4 Answers
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Why does C++11 not support designated initializer lists as C99? [closed]
...at its author wanted to provide the most possible flexibility for users to set and initialize the members? The user can also already write Person p = { 0, 0, 18 }; (and for good reasons).
– Johannes Schaub - litb
Sep 11 '13 at 19:48
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