... If your expected output is a single line, you can simply remove all newline characters from the output. It would not be uncommon to pipe to the 'tr' utility, or to Perl if preferred: wc -l < log.txt | tr -d '\n' wc -l < log.txt | perl -pe 'chomp' You can also use command substit...

...signed integer type that is capable of storing a data pointer. Which typically means that it's the same size as a pointer. It is optionally defined in C++11 and later standards. A common reason to want an integer type that can hold an architecture's pointer type is to perform integer-specific ope...

I have a multi-tier .Net 4.5 application calling a method using C#'s new async and await keywords that just hangs and I can't see why. ...

...tribute for at least one input of the radio group. Setting required for all inputs is more clear, but not necessary (unless dynamically generating radio-buttons). To group radio buttons they must all have the same name value. This allows only one to be selected at a time and applies required to ...

...ngleton array containing just the input string is returned, Second, remove all the rightmost empty strings. This is the reason ",,,".split(",") returns empty array. According to this, the result of "".split(",") should be an empty array because of the second step, right? It should. Unfortunately,...

...ot even just a builtin. For sed -i 's/old/new' *, the expansion of * must ALL be passed as an arglist to sed, and I'm fairly sure this has to happen before the sed process can even be started. Using the for loop, the full arglist (the expansion of *) never gets passed as a command, only stored in ...

... you are expecting synchronous behavior while using stdout asynchronously. All of the calls in your run_cmd function are asynchronous, so it will spawn the child process and return immediately regardless of whether some, all, or none of the data has been read off of stdout. As such, when you run co...

...gning the first screen to appear on the app should populate “Screen1.” All other developers should leave “Screen1” blank and only develop additional screens. In the case that another developer does populate “Screen1”, the merger tool will allow that screen to be renamed so it can be merg...

... https://github.com/caolan/async provides 2 similar methods, async.waterfall and async.series . 4 Answers ...

... All these answers and no Befunge? I'd wager a fair amount it's shortest solution of them all: 1 Not kidding. Try it yourself: http://www.quirkster.com/iano/js/befunge.html EDIT: I guess I need to explain this one. The 1 o...