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Remove an item from a dictionary when its key is unknown
...nt:
>>> some_dict = {1: "Hello", 2: "Goodbye", 3: "You say yes", 4: "I say no"}
>>> value_to_remove = "You say yes"
>>> some_dict = {key: value for key, value in some_dict.items() if value is not value_to_remove}
>>> some_dict
{1: 'Hello', 2: 'Goodbye', 3: 'You s...
How to create border in UIButton?
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354
You can set the border properties on the CALayer by accessing the layer property of the button.
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How can I convert an image into Base64 string using JavaScript?
I need to convert my image to a Base64 string so that I can send my image to a server.
13 Answers
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Why should a function have only one exit-point? [closed]
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answered Jan 29 '11 at 19:14
Jason WilliamsJason Williams
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Reset AutoIncrement in SQL Server after Delete
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465
Issue the following command to reseed mytable to start at 1:
DBCC CHECKIDENT (mytable, RESEED...
Create a folder if it doesn't already exist
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reformed
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answered Feb 20 '10 at 19:28
GumboGumbo
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Error in Swift class: Property not initialized at super.init call
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174
Quote from The Swift Programming Language, which answers your question:
“Swift’s compile...
Send POST data using XMLHttpRequest
...ion() {//Call a function when the state changes.
if(http.readyState == 4 && http.status == 200) {
alert(http.responseText);
}
}
http.send(params);
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Regular expression to match numbers with or without commas and decimals in text
...e numbers are embedded in other text. IMHO anything that fails to pull 1,234.56 and 1234—and only those numbers—out of abc22 1,234.56 9.9.9.9 def 1234 is a wrong answer.
First of all, if you don't need to do this all in one regex, don't. A single regex for two different number formats is hard to...
How to select a CRAN mirror in R
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answered Jul 14 '12 at 23:38
betabandidobetabandido
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