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Foreign Key naming scheme
...erby DB with very specific naming convention and this one here is the most readable and traceable. Thank you
– Anddo
Oct 12 '19 at 13:08
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Case conventions on element names?
...b -c"/>
outputs 0, as expected
But note how confusing the above is to read!
<a>1</a><a-b>3</a-b><b>2</b>
<xsl:value-of select="a-b"/>
outputs 3
<a>1</a><a-b>3</a-b><b>2</b>
<xsl:value-of select="a -b"/>
output...
URLWithString: returns nil
...This method parses URLString according to RFCs 1738 and 1808.". Doing some reading...
– russau
Feb 2 '14 at 16:19
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Why not be dependently typed?
...on of the value and type levels, so you can parametrize values on types (already possible with type classes and parametric polymorphism in Haskell) and you can parametrize types on values (not, strictly speaking, possible yet in Haskell, although DataKinds gets very close).
Edit: Apparently, from ...
Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
... received in your serialPort1_DataReceived method is coming from another thread context than the UI thread, and that's the reason you see this error.
To remedy this, you will have to use a dispatcher as descibed in the MSDN article:
How to: Make Thread-Safe Calls to Windows Forms Controls
So instead...
How does the bitwise complement operator (~ tilde) work?
...t helps others who are not aware of One's Complement and Two's Complement. Read about them here. en.wikipedia.org/wiki/Ones%27_complement en.wikipedia.org/wiki/Two%27s_complement
– Sai
Dec 21 '14 at 3:40
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Change IPython/Jupyter notebook working directory
...ow "Start in:" can be empty in my tests with 4.1.1 and later. Perhaps they read this entry on SO and liked it, so long upvotes, nobody needs this anymore :)
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How to get all possible combinations of a list’s elements?
...nt(subset)
Or -- if you want to get snazzy (or bend the brain of whoever reads your code after you) -- you can generate the chain of "combinations()" generators, and iterate through that:
from itertools import chain, combinations
def all_subsets(ss):
return chain(*map(lambda x: combinations(s...
Printing Lists as Tabular Data
...Alice | 24 |
| Bob | 19 |
+-------+-----+
PrettyTable has options to read data from csv, html, sql database. Also you are able to select subset of data, sort table and change table styles.
3. texttable: https://pypi.python.org/pypi/texttable
from texttable import Texttable
t = Texttable()
t....
How to retrieve Request Payload
...ta is php array.
php://input is a so called wrapper.
php://input is a read-only stream that allows you to read raw data
from the request body. In the case of POST requests, it is preferable
to use php://input instead of $HTTP_RAW_POST_DATA as it does not
depend on special php.ini directiv...