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Is Java really slow?

...my opinion, this is the main reason Java still has a bad reputation, especially server-side. This makes the String problems exponentially worse. Some simple mistakes are common: objects are often used in place of primitives, reducing performance and increasing memory use. Many Java libraries (includ...
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Removing list of vms in vagrant cache

...should use the following command to remove invalid entries from the global index: vagrant global-status --prune share | improve this answer | follow | ...
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Warning: The Copy Bundle Resources build phase contains this target's Info.plist file

... https://developer.apple.com/library/content/qa/qa1649/_index.html Excerpt: You are getting this warning because you probably added your Info.plist file to your Copy Bundle Resources build phase as shown in Figure The INFOPLIST_FILE build setting specifies the name of the Info...
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How to place the ~/.composer/vendor/bin directory in your PATH?

I'm on Ubuntu 14.04 and I've been trying all possible methods to install Laravel to no avail. Error messages everything I try. I'm now trying the first method in the quickstart documentation, that is, via Laravel Installer, but it says to "Make sure to place the ~/.composer/vendor/bin directory in...
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href overrides ng-click in Angular.js

...ven assigning it to an empty string: [<a href ng-click="colors.splice($index, 1)">X</a>] http://docs.angularjs.org/api/ng.directive:select share | improve this answer | ...
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Is Java Regex Thread Safe?

...riables including the text that is being matched, arrays for groups, a few indexes for maintain location and a few booleans for other state. This all points to a stateful Matcher that would not behave well if accessed by multiple Threads. So does the JavaDoc: Instances of this class are not s...
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How to design a database for User Defined Fields?

...-just a table per searchable field). This is sometimes called an inverted index design. You can read an interesting article from 2009 about this solution here: http://backchannel.org/blog/friendfeed-schemaless-mysql Or you can use a document-oriented database, where it's expected that you have c...
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Can I add jars to maven 2 build classpath without installing them?

...J Appenders</name> <url>http://dovetail.com/downloads/misc/index.html</url> <description>Apache Log4j Appender for z/OS Logstreams, files, etc.</description> </project> Two optional files I create are the SHA1 checksums for the POM and the JAR to remove ...
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How to call shell commands from Ruby

How do I call shell commands from inside of a Ruby program? How do I then get output from these commands back into Ruby? 20...
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Is it correct to use DIV inside FORM?

... It is totally fine . The form will submit only its input type controls ( *also Textarea , Select , etc...). You have nothing to worry about a div within a form. ...