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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...
Random strings in Python
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fyi you can omit the outermost set of parens in your return statement.
– recursive
Jan 8 '10 at 19:55
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How to sum up elements of a C++ vector?
...a, and provides the vector-like methods).
For an empty vector, the sum is set to zero. On every insertion to the vector, add the element being inserted to the sum. On every deletion, subtract it. Basically, anything that can change the underlying vector is intercepted to ensure the sum is kept cons...
Best way to parse command-line parameters? [closed]
...'s the best way to parse command-line parameters in Scala?
I personally prefer something lightweight that does not require external jar.
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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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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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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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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 to test if list element exists?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
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Reverse of JSON.stringify?
I'm stringyfing an object like {'foo': 'bar'}
8 Answers
8
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