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How to remove all white spaces in java [duplicate]
...remove anything that is a space character (including space, tab characters etc). You need to escape the backslash in Java so the regex turns into \\s. Also, since Strings are immutable it is important that you assign the return value of the regex to a.
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In Ruby, is there an Array method that combines 'select' and 'map'?
...ns as its eager version. It doesn't speed anything up, it just changes the order of execution of each iteration—the last function in the chain "pulls" values as needed from the previous functions in reverse order.
– pje
Feb 13 '18 at 17:15
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How to use executables from a package installed locally in node_modules?
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oh gosh! do I really have to do something like that in order to have my local modules working? it's quite impracticable to explain it to a team! there's nothing a little bit more straightforward?
– Alexian
Apr 24 '15 at 17:12
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Use of Initializers vs Constructors in Java
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I read a whole article looking for an answer to the init order of initializers vs. their constructors. I didn't find it, so I wrote some code to check my understanding. I thought I would add this little demonstration as a comment. To test your understanding, see if you can predi...
How can I debug a .BAT script?
... , which calls a lot of other scripts, and I would like to see what is the order in which they are called, so that I may know where exactly I have to go about and add my modifications.
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Match two strings in one line with grep
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To search for files containing all the words in any order anywhere:
grep -ril \'action\' | xargs grep -il \'model\' | xargs grep -il \'view_type\'
The first grep kicks off a recursive search (r), ignoring case (i) and listing (printing out) the name of the files that are ma...
Display clearColor UIViewController over UIViewController
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In order to work this for me I added modalViewController.view.backgroundColor = UIColor.clearColor() thanks for the solution
– Pramod
May 4 '15 at 12:03
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How to set an “Accept:” header on Spring RestTemplate request?
...te#postForObject Javadoc.
The request parameter can be a HttpEntity in order to add additional
HTTP headers to the request.
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What is WebKit and how is it related to CSS?
...ions relating to CSS, jQuery, layouts, cross-browers compatibility issues, etc...
14 Answers
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In C#, why is String a reference type that behaves like a value type?
...copy penalty, you couldn't intern strings, and memory usage would balloon, etc...
(Edit: Added clarification about value type storage being an implementation detail, which leads to this situation where we have a type with value sematics not inheriting from System.ValueType. Thanks Ben.)
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