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Android: Background Image Size (in Pixel) which Support All Devices
...My App. My App is full screen. I am confused in Creating graphics. can any one tell me the best sizes of my background image in pixels.
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What is the Haskell response to Node.js?
...locking I/O natively and has ways to scale deployments easily to more than one processor (something not even built-in in Node.js). More details at http://journal.dedasys.com/2010/04/29/erlang-vs-node-js and Node.js or Erlang
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Forms authentication timeout vs sessionState timeout
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One clarification: The forms authentication timeout sets the expiration time for the Ticket not necessarily for the cookie where the ticket may be stored. The cookie may have no expiration time at all (confusingly called a s...
How to hide a in a menu with CSS?
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You have to implement two methods for hiding. display: none works for FF, but not Chrome or IE. So the second method is wrapping the <option> in a <span> with display: none. FF won't do it (technically invalid HTML, per the spec) but Chrome and IE will and it will hide...
RegEx to parse or validate Base64 data
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^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$
This one is good, but will match an empty String
This one does not match empty string :
^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$
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How to create a directory and give permission in single command
...d to the last directory in the path you type. For example, mkdir -p -m 707 one/two/three. Even if all three directories are newly created, only the last one will have the requested permissions, and the others, default. install -d -m is broken the same way.
– Display Name
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java.lang.NoClassDefFoundError: Could not initialize class XXX
...again. I am sure that it is because of the static issue. What needs to be done to resolve the problem?
– viper
Aug 9 '16 at 4:18
1
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How do I convert a String to an int in Java?
...lar expresssion pattern of "([0-9]+)" will "capture" the first sequence of one or more digits one through nine. Look at the Matcher class in that package.
– Mark Stewart
Jun 8 '18 at 16:16
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Determine if a String is an Integer in Java [duplicate]
...better.
str.matches("-?\\d+");
-? --> negative sign, could have none or one
\\d+ --> one or more digits
It is not good to use NumberFormatException here if you can use if-statement instead.
If you don't want leading zero's, you can just use the regular expression as follow:
str....
Difference between a class and a module
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Actually, @Chole hits upon one of the nice things about modules: Namespacing. So while Modules are not a direct equivalent to packages in Java, it can be used to achieve something similar: blog.rubybestpractices.com/posts/gregory/…
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