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How to convert a file into a dictionary?
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d = {}
with open("file.txt") as f:
for line in f:
(key, val) = line.split()
d[int(key)] = val
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Troubleshooting “Illegal mix of collations” error in mysql
...lause COLLATE allows you to specify the collation used in the query.
For example, the following WHERE clause will always give the error you posted:
WHERE 'A' COLLATE latin1_general_ci = 'A' COLLATE latin1_general_cs
Your solution is to specify a shared collation for the two columns within the qu...
What's the most elegant way to cap a number to a segment? [closed]
Let's say x , a and b are numbers. I need to cap x to the bounds of the segment [a, b] .
10 Answers
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Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
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"foo" is a string primitive. (this concept does not exist in C# or Java)
new String("foo") is boxed string object.
The === operator behaves differently on primitives and objects.
When comparing primitives (of the same type), === will return true if they both have the same val...
What is the difference between encode/decode?
...gs really doesn't have any applications at all (unless you have some non-text data in a unicode string for some reason -- see below). It is mainly there for historical reasons, i think. In Python 3 it is completely gone.
unicode().decode() will perform an implicit encoding of s using the default (a...
do N times (declarative syntax)
.....Array(i)] or Array(i).fill(), depending on your needs for the actual indexes.
– Guido Bouman
Feb 15 '18 at 11:06
If ...
How to implement __iter__(self) for a container object (Python)
...__(self):
yield 5
yield from some_list
Pre-3.3, yield from didn't exist, so you would have to do:
def __iter__(self):
yield 5
for x in some_list:
yield x
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How to show google.com in an iframe?
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The reason for this is, that Google is sending an "X-Frame-Options: SAMEORIGIN" response header. This option prevents the browser from displaying iFrames that are not hosted on the same domain as the parent page.
See: Mozilla Developer Network - The X-Frame-Options response ...
What is JavaScript's highest integer value that a number can go to without losing precision?
Is this defined by the language? Is there a defined maximum? Is it different in different browsers?
21 Answers
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How to draw circle in html page?
...height of the circle you want to make.
#circle {
width: 50px;
height: 50px;
-webkit-border-radius: 25px;
-moz-border-radius: 25px;
border-radius: 25px;
background: red;
}
<div id="circle"></div>
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