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How do I remove  from the beginning of a file?

...be for PHP to actually interpret the BOM correctly, for that you can use mb_internal_encoding(), like this: <?php //Storing the previous encoding in case you have some other piece //of code sensitive to encoding and counting on the default value. $previous_encoding = mb_internal...
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Saving image from PHP URL

... If you have allow_url_fopen set to true: $url = 'http://example.com/image.php'; $img = '/my/folder/flower.gif'; file_put_contents($img, file_get_contents($url)); Else use cURL: $ch = curl_init('http://example.com/image.php'); $fp = fopen(...
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How to implement a ConfigurationSection with a ConfigurationElementCollection

...ypeof(CustomApplicationConfigSection)); public const string SECTION_NAME = "CustomApplicationConfig"; [ConfigurationProperty("Credentials")] public CredentialsConfigElement Credentials { get { return base["Credentials"] as Cred...
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Convert UTC datetime string to local datetime

...e import datetime from dateutil import tz # METHOD 1: Hardcode zones: from_zone = tz.gettz('UTC') to_zone = tz.gettz('America/New_York') # METHOD 2: Auto-detect zones: from_zone = tz.tzutc() to_zone = tz.tzlocal() # utc = datetime.utcnow() utc = datetime.strptime('2011-01-21 02:37:21', '%Y-%m-%d ...
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How do you get a Golang program to print the line number of the error it just called?

... // the error happened, 0 = this function, we don't want that. _, fn, line, _ := runtime.Caller(1) log.Printf("[error] %s:%d %v", fn, line, err) b = true } return } //this logs the function name as well. func FancyHandleError(err error) (b bool) { if err != n...
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Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?

...nsitionCoordinator) { coordinator.animate(alongsideTransition: { (_) in let orient = newCollection.verticalSizeClass switch orient { case .compact: print("Lanscape")///Excluding iPads!!! default: print("Portra...
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How to convert a string or integer to binary in Ruby?

... You have Integer#to_s(base) and String#to_i(base) available to you. Integer#to_s(base) converts a decimal number to a string representing the number in the base specified: 9.to_s(2) #=> "1001" while the reverse is obtained with String#to...
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Align image in center and middle within div

...00%; height:100%"> <img src="http://www.garcard.com/images/garcard_symbol.png"> </div> JSFiddle share | improve this answer | follow ...
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How do I remove documents using Node.js Mongoose?

...s to me more efficient and easy to maintain. See example: Model.remove({ _id: req.body.id }, function(err) { if (!err) { message.type = 'notification!'; } else { message.type = 'error'; } }); UPDATE: As of mongoose 3.8.1, there are several methods that le...
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Changes in import statement python3

...a single function. In Python 2 you were permitted to be semi-lazy: def sin_degrees(x): from math import * return sin(degrees(x)) Note that it already triggers a warning in Python 2: a.py:1: SyntaxWarning: import * only allowed at module level def sin_degrees(x): In modern Python 2 co...