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How do I test if a string is empty in Objective-C?
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edited Aug 28 '14 at 15:17
John Topley
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How can I have a newline in a string in sh?
... amphetamachineamphetamachine
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What's the point of 'const' in the Haskell Prelude?
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It's useful for passing to higher-order functions when you don't need all their flexibility. Fo...
Simultaneously merge multiple data.frames in a list
...rame(i = c("c","d","a"), l = 7:9, stringsAsFactors=FALSE)
Update June 2018: I divided the answer in three sections representing three different ways to perform the merge. You probably want to use the purrr way if you are already using the tidyverse packages. For comparison purposes below, you'll f...
Is embedding background image data into CSS as Base64 good or bad practice?
... edited Sep 11 '16 at 11:49
zx485
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answered Jul 14 '09 at 8:36
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Python JSON serialize a Decimal object
...ichał MarczykMichał Marczyk
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How to calculate a logistic sigmoid function in Python?
...h.exp(-x))
And now you can test it by calling:
>>> sigmoid(0.458)
0.61253961344091512
Update: Note that the above was mainly intended as a straight one-to-one translation of the given expression into Python code. It is not tested or known to be a numerically sound implementation. If yo...
Setting the MySQL root user password on OS X
...hentication_string=PASSWORD("NEWPASSWORD") WHERE User='root';
Update: On 8.0.15 (maybe already before that version) the PASSWORD() function does not work, as mentioned in the comments below. You have to use:
UPDATE mysql.user SET authentication_string='password' WHERE User='root';
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How to check if a specified key exists in a given S3 bucket using Java
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answered Nov 29 '11 at 1:28
sethusethu
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Hide scroll bar, but while still being able to scroll
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838
Just a test which is working fine.
#parent{
width: 100%;
height: 100%;
overflow: h...