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Programmatically creating Markdown tables in R with KnitR
I am just starting to learn about KnitR and the use of Markdown in generating R documents and reports. This looks to be perfect for a lot of the day to day reporting that I have to do with my job. However, one thing that I'm not seeing is an easy way to print data frames and tables using Markdown fo...
How to convert Strings to and from UTF8 byte arrays in Java
In Java, I have a String and I want to encode it as a byte array (in UTF8, or some other encoding). Alternately, I have a byte array (in some known encoding) and I want to convert it into a Java String. How do I do these conversions?
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Check if a given key already exists in a dictionary and increment it
...ording to his example, it should be enough to set "defaultdict(lambda: 0)" and skip the entire "if" clause.
– Deestan
Jan 23 '09 at 14:57
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Regex to validate password strength
...ex. To many times I use complex regex that I found, without really understanding what is going on.
– Nicholas Smith
Jan 27 '14 at 17:54
5
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How can I tell when HttpClient has timed out?
... a TaskCanceledException if it has timed out. Additionally, GetStringAsync and GetStreamAsync internally handle timeout, so they will NEVER throw.
string baseAddress = "http://localhost:8080/";
var client = new HttpClient()
{
BaseAddress = new Uri(baseAddress),
Timeout = TimeSpan.FromMil...
class method generates “TypeError: … got multiple values for keyword argument …”
...e type of error if your function def includes self as the first parameter, and then you accidentally call the function also with self as the first parameter.
– Christopher Hunter
Aug 12 '19 at 20:10
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Python Image Library fails with message “decoder JPEG not available” - PIL
...o be able to process jpegs with pillow (or PIL), so you need to install it and then recompile pillow. It also seems that libjpeg8-dev is needed on Ubuntu 14.04
If you're still using PIL then you should really be using pillow these days though, so first pip uninstall PIL before following these instr...
64-bit version of Boost for 64-bit windows
...As a longer answer, here are my build notes for having VS .NET 2008 32-bit and 64-bit boost libraries in the same hierarchy (which is I suspect a common use case):
Build the win32 binaries
bjam --toolset=msvc-9.0 --build-type=complete stage
Create the directory lib\win32
Move the contents of sta...
Why can't I stop vim from wrapping my code?
...idth' is zero, 'wrapmargin' may be used. See also
'formatoptions' and |ins-textwidth|.
When 'formatexpr' is set it will be used to break the line.
NOTE: This option is set to 0 when 'compatible' is set.
'wrapmargin' 'wm' number (default 0)
l...
How to override the properties of a CSS class using another CSS class
I am fairly new to CSS3 and I want to be able to do the following:
6 Answers
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