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Is Java really slow?

...on 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 (including the standard ones) will creat...
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java.util.regex - importance of Pattern.compile()?

...rtance of Pattern.compile() method? Why do I need to compile the regex string before getting the Matcher object? 8 An...
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CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False

...ecure if you're not firewalled off or on a public LAN, but it's what I use and it works. EDIT: Interestingly enough I've been needing to add this to a few of my 1.8 projects even when DEBUG = True. Very unsure why. EDIT: This is due to a Django security update as mentioned in my comment. ...
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Python Requests throwing SSLError

...he following options, your best option is to set the verify parameter to a string that is the path of the .pem file of the certificate (which you should obtain by some sort of secure means). So, as of version 2.0, the verify parameter accepts the following values, with their respective semantics: ...
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How to TryParse for Enum value?

I want to write a function which can validate a given value (passed as a string) against possible values of an enum . In the case of a match, it should return the enum instance; otherwise, it should return a default value. ...
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Create an Array of Arraylists

... Any reason this would be preferable over @kelvincer Answer (ArrayList<String>[] group = new ArrayList[4])? What extra good doe sthe cast do? – cellepo Mar 22 '16 at 21:12 ...
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Formatting floats without trailing zeros

...at it doesn't contain trailing zeros? In other words, I want the resulting string to be as short as possible. 18 Answers ...
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Replace a newline in TSQL

I would like to replace (or remove) a newline character in a TSQL-string. Any Ideas? 12 Answers ...
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Illegal pattern character 'T' when parsing a date string to java.util.Date

I have a date string and I want to parse it to normal date use the java Date API,the following is my code: 3 Answers ...
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PHP function to make slug (URL string)

I want to have a function to create slugs from Unicode strings, e.g. gen_slug('Andrés Cortez') should return andres-cortez . How should I do that? ...