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How to check if a number is a power of 2
Today I needed a simple algorithm for checking if a number is a power of 2.
25 Answers
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ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'
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edited Nov 27 '19 at 1:54
Josh Correia
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How to dismiss keyboard for UITextView with return key?
...duction tells us that when the return key is pressed, the keyboard for UITextView will disappear. But actually the return key can only act as '\n'.
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How to programmatically take a screenshot on Android?
... to save the file:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
And this is the code (running in an Activity):
private void takeScreenshot() {
Date now = new Date();
android.text.format.DateFormat.format("yyyy-MM-dd_hh:mm:ss", now);
try {
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No Multiline Lambda in Python: Why not?
I've heard it said that multiline lambdas can't be added in Python because they would clash syntactically with the other syntax constructs in Python. I was thinking about this on the bus today and realized I couldn't think of a single Python construct that multiline lambdas clash with. Given that ...
Capture HTML Canvas as gif/jpg/png/pdf?
Is it possible to capture or print what's displayed in an html canvas as an image or pdf?
12 Answers
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Spring schemaLocation fails when there is no internet connection
...am using Spring and in application-context.xml I have the following definitions:
18 Answers
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Split code over multiple lines in an R script
I want to split a line in an R script over multiple lines (because it is too long). How do I do that?
5 Answers
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Bash: Copy named files recursively, preserving folder structure
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edited Oct 30 '09 at 15:28
answered Oct 30 '09 at 15:00
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What are the drawbacks of Stackless Python? [closed]
I've been reading recently about Stackless Python and it seems to have many advantages compared with vanilla cPython. It has all those cool features like infinite recursion, microthreads, continuations, etc. and at the same time is faster than cPython (around 10%, if the Python wiki is to be bel...