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Tips for debugging .htaccess rewrite rules

...lse on your site. e.g #protect with a fake user agent RewriteCond %{HTTP_USER_AGENT} ^my-fake-user-agent$ #Here is the actual rule I am testing RewriteCond %{HTTP_HOST} !^www\.domain\.com$ [NC] RewriteRule ^ http://www.domain.com%{REQUEST_URI} [L,R=302] If you are using Firefox, you can use ...
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Regular expression to match URLs in Java

...placeholder. String regex = "^(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]"; This works too: String regex = "\\b(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]"; Note: String regex = "<\\b(https?|ftp|file)://[-a-zA-Z0-9+&am...
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How can I programmatically check whether a keyboard is present in iOS app?

...ade easier to use. @interface KeyboardStateListener : NSObject { BOOL _isVisible; } + (KeyboardStateListener *)sharedInstance; @property (nonatomic, readonly, getter=isVisible) BOOL visible; @end static KeyboardStateListener *sharedInstance; @implementation KeyboardStateListener + (KeyboardS...
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What is copy-on-write?

... data): raise NotImplementedError class Value(BaseValue): def __init__(self, data): self.data = data def read(self): return self.data def write(self, data): pass class ValueProxy(BaseValue): def __init__(self, subject): self.subject = subject...
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Private properties in JavaScript ES6 classes

...l super(). Yet babel puts them before super. – seeker_of_bacon Oct 3 '18 at 16:23 6 ...
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How to call a parent class function from derived class function?

...disambiguate it by adding the base class's name followed by two colons base_class::foo(...). You should note that unlike Java and C#, C++ does not have a keyword for "the base class" (super or base) since C++ supports multiple inheritance which may lead to ambiguity. class left { public: void f...
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Rename specific column(s) in pandas

...nditional expressions like: df.columns = ['log(gdp)' if x=='gdp' else 'cap_mod' if x=='cap' else x for x in df.columns] Or, construct a mapping using a dictionary and perform the list-comprehension with it's get operation by setting default value as the old name: col_dict = {'gdp': 'log(gdp)', '...
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HTML5 Local Storage fallback solutions [closed]

...Gears-based persistent storage. localstorage: HTML5 draft storage. whatwg_db: HTML5 draft database storage. globalstorage: HTML5 draft storage (old spec). ie: Internet Explorer userdata behaviors. cookie: Cookie-based persistent storage. Any of those can be disabled—if, for example, you don...
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Convert Dictionary to semicolon separated string in c#

... Edited according to comments. – the_drow Oct 6 '10 at 11:18 7 @Amittai, @the_dr...
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How to change collation of database, table, column?

The database is latin1_general_ci now and I want to change collation to utf8mb4_general_ci . 19 Answers ...