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how to get the current working directory's absolute path from irb

...ing Ruby on Windows though I don't know if that should make a difference. All I want to do is get the current working directory's absolute path. Is this possible from irb? Apparently from a script it's possible using File.expand_path(__FILE__) ...
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How to pass a user defined argument in scrapy spider

... The above code is only partially working for me. For eg. If I define domain using self.domain, I'm still not able to access it outside the __init__ method. Python throws a not defined error. BTW, why have you omitted the super call? PS. I'm working wit...
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Is there a “goto” statement in bash?

...atement in bash ? I know It is considered bad practice, but I need specifically "goto". 12 Answers ...
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How can I create directory tree in C++/Linux?

...C++ compilers. /* @(#)File: mkpath.c @(#)Purpose: Create all directories in path @(#)Author: J Leffler @(#)Copyright: (C) JLSS 1990-2020 @(#)Derivation: mkpath.c 1.16 2020/06/19 15:08:10 */ /*TABSTOP=4*/ #include "posixver.h" #include "mkpath.h" #include "emalloc...
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How to run functions in parallel?

...find an answer to my question. I am trying to run multiple functions in parallel in Python. 6 Answers ...
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Event system in Python

...r methods', which is a simple implementation of the Observer pattern. Basically, the handler methods (callables) are stored in an array and are each called when the event 'fires'. Publish-Subscribe The disadvantage of Observer event systems is that you can only register the handlers on the actual Ev...
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What are the best JVM settings for Eclipse? [closed]

...jvm.dll -vmargs -Dosgi.requiredJavaVersion=1.6 -Declipse.p2.unsignedPolicy=allow -Xms128m -Xmx384m -Xss4m -XX:PermSize=128m -XX:MaxPermSize=384m -XX:CompileThreshold=5 -XX:MaxGCPauseMillis=10 -XX:MaxHeapFreeRatio=70 -XX:+CMSIncrementalPacing -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:+UseFast...
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Mapping over values in a python dictionary

..., f(kv[1])), my_dictionary.iteritems())) but that's not that readable, really. share | improve this answer | follow | ...
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Share Large, Read-Only Numpy Array Between Multiprocessing Processes

...od reference example. I don't need any kind of locks, since the array (actually a matrix) will be read-only. Now, due to its size, I'd like to avoid a copy. It sounds like the correct method is to create the only copy of the array as a sharedmem array, and then pass it to the Process objects...
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How to set the JDK Netbeans runs on?

...\netbeans.conf Change the following line to point it where your java installation is : netbeans_jdkhome="C:\Program Files\Java\jdk1.7xxxxx" You may need Administrator privileges to edit netbeans.conf share | ...