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How to remove all event handlers from an event

... I found a solution on the MSDN forums. The sample code below will remove all Click events from button1. public partial class Form1 : Form { public Form1() { InitializeComponent(); button1.Click += button1_Click; button1.Click += button1_Click2; button2.Clic...
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How do I remove all non alphanumeric characters from a string except dash?

How do I remove all non alphanumeric characters from a string except dash and space characters? 13 Answers ...
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Use HTML5 to resize an image before upload

... var canvas = document.createElement('canvas'), max_size = 544,// TODO : pull max size from a site config width = image.width, height = image.height; if (width > height) { if (width > max_size) ...
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How do I access my SSH public key?

... cat ~/.ssh/id_rsa.pub or cat ~/.ssh/id_dsa.pub You can list all the public keys you have by doing: $ ls ~/.ssh/*.pub share | improve this answer | follow ...
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Removing all empty elements from a hash / YAML?

How would I go about removing all empty elements (empty list items) from a nested Hash or YAML file? 20 Answers ...
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How to use string.replace() in python 3.x

... The "re" (regular expression) module has alternatives for (some? all?) deprecated string functions. In this case, re.sub(). – ToolmakerSteve Dec 13 '13 at 22:19 9 ...
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How to pass a function as a parameter in Java? [duplicate]

...u have a class or interface with only a single abstract method (sometimes called a SAM type), for example: public interface MyInterface { String doSomething(int param1, String param2); } then anywhere where MyInterface is used, you can substitute a lambda expression: class MyClass { publ...
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?

... like unomadh GNU make example. From the GNU make manual on the Function Call Syntax (emphasis mine): […] If the arguments themselves contain other function calls or variable references, it is wisest to use the same kind of delimiters for all the references; write $(subst a,b,$(x)), not $(sub...
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Setting different color for each series in scatter plot on matplotlib

... I don't know what you mean by 'manually'. You can choose a colourmap and make a colour array easily enough: import numpy as np import matplotlib.pyplot as plt import matplotlib.cm as cm x = np.arange(10) ys = [i+x+(i*x)**2 for i in range(10)] colors = cm.ra...
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Difference between fmt.Println() and println() in Go

... println is an built-in function (into the runtime) which may eventually be removed, while the fmt package is in the standard library, which will persist. See the spec on that topic. For language developers it is handy to have a println without dependencies, but the way to go is to use the f...