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linux - How can I trim white space from a variable in awk?

Suppose $2 is my variable. I have tried going from awk -F, '{print $2 ":"}' to awk -F, '{ ... printing something to printing nothing at all. See Question&Answers more detail:os...

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c - What is the purpose of a these #define within an enum?

I found this code in the linux headers, /usr/include/dirent.h: enum { DT_UNKNOWN = 0, # define DT_UNKNOWN ... then compile to the int value? See Question&Answers more detail:os...

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commons-logging defines classes that conflict with classes now provided by Android after Android Studio Update

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I would like to ask you if you can give me a hand on this. I have created a jsfiddle with my problem here. I ... give me any idea? Thanks a lot. See Question&Answers more detail:os...

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c# - ConfigurationManager.OpenExeConfiguration - loads the wrong file?

I have added multiple app.config (each with a differet name) files to a project, and set them to copy to ... to load a config file corretly? See Question&Answers more detail:os...

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javascript - Preventing Child from firing parent's click event

Consider the following snippet: <div class="div-outer"> Lorem ipsum dolor sit amet, consectetur adipiscing elit. < ... clicking on ".inner-div" See Question&Answers more detail:os...

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naming conventions - How to name C# source files for generic classes

I am trying to stick to general naming conventions such as those described in Design Guidelines for Developing Class ... What are your habits? See Question&Answers more detail:os...

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perl - What does !! (double exclamation point) mean?

In the code below, from a blog post by Alias, I noticed the use of the double exclamation point !!. I ... related The List Squash Operator x!! See Question&Answers more detail:os...

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Django {{ MEDIA_URL }} blank @DEPRECATED

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datetime - Best way to get maximum Date value in java?

I'm writing a bit of logic that requires treating null dates as meaning forever in the future (the date ... Date implementation is being used? See Question&Answers more detail:os...

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javascript - How to create time in a specific time zone with moment.js

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Ways to detect whether a C++ virtual function has been redefined in a derived class

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com - What does "Method '~' of object '~' failed" at runtime mean?

I'm trying to run a legacy VB6 application on my desktop (it doesn't have a user interface, being a command- ... an idea what is going wrong? See Question&Answers more detail:os...

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postgresql - Using a variable period in an interval in Postgres

I have a relation that maintains monthly historical data. This data is added to the table on the last day of ... . How is this properly done? See Question&Answers more detail:os...

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html - How can I include special characters in query strings?

URL http://localhost/mysite/mypage?param=123 works fine. However, if I want to put some special characters in ... do I resolve this issue? See Question&Answers more detail:os...

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java - Android Webview: Cannot call determinedVisibility() - never saw a connection for the pid

I have a Android Webview and when I click on a link to download a file (image of pdf etc) I got a error ... do wrong? Who can help please!? See Question&Answers more detail:os...

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php - utf8_(en|de)code removed from php7?

I recently switched to PHP 7 on my development server, which has worked just fine - until now. Since I ... above functions to work again? See Question&Answers more detail:os...

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try/catch vs null check in java

Sometimes I face I must write a piece of code like this (usually it have more nested if and more complex ... or other kind of issues? See Question&Answers more detail:os...

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MySQL column type "TIMESTAMP" implicitly includes "NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP"

I've just spent a couple of hours tracking down this bug. Given the following SQL: DROP DATABASE IF EXISTS db ... do I make MySQL behave sanely? See Question&Answers more detail:os...

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Recursion in c++ Factorial Program

hello i have this piece of code that i coded based on some other recursion and factorial programs but my problem ... what is it really doing? See Question&Answers more detail:os...

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python - Numpy Vector (N,1) dimension -> (N,) dimension conversion

I have a question regarding the conversion between (N,) dimension arrays and (N,1) dimension arrays. For ... without copying? Thanks, Tom See Question&Answers more detail:os...

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go - nested struct initialization literals

How can I do this: type A struct { MemberA string } type B struct { A A MemberB string } ... ... literal struct member values like this? See Question&Answers more detail:os...

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Ruby: problem installing EventMachine under Windows 7

I am trying to install the gem EventMachine on Windows 7 (using Ruby 1.9.2 with RubyInstaller) via bundle, but I ... >' Thanks a lot in advance! See Question&Answers more detail:os...

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animation - Animating dashed-line with java.awt.BasicStroke

Is there a way to produce animated dashed line using BasicStroke from java.awt? My desire is to have a running ... tool has its line animated. See Question&Answers more detail:os...

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Why do two strings separated by space concatenate in Ruby?

Why does this work in Ruby: "foo" "bar" # => "foobar" I'm unsure as to why the strings were ... is specifying this behavior (implicit concat). See Question&Answers more detail:os...

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javascript - How do I compare two jQuery objects for identity?

I'm trying to use jQuery to open / close control 'boxes' on a webpage. Unfortunately, it doesn't look very good ... }); val.slideToggle(200); } See Question&Answers more detail:os...

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Apache default VirtualHost

How can I set a default VirtualHost in Apache? Preferably, I want the default host not to be the same as the ... file (yet). Is this possible? See Question&Answers more detail:os...

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android - Setting data source to an raw ID in MediaPlayer

In MediaPlayer.create method an id to a Raw file can be used but how to use that in setDataSource method? See Question&Answers more detail:os...

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