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CSS Selector for
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Parent > child that has: p > span { font-weight: bold; }
Preceded by ~ element which is: span ~ span { color: blue; }
Which for <p><span/><span/></p> would effectively give you:
<p>
<span style="font-weight: bold;">
<span style="font-weight:...
Comparing boxed Long values 127 and 128
...variables the value 127 (cached), the same object instance will be pointed by all references. (N variables, 1 instance)
If you set to N Long variables the value 128 (not cached), you will have an object instance pointed by every reference. (N variables, N instances)
That's why this:
Long val1 = 1...
UML class diagram enum
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Batch not-equal (inequality) operator
... this requires command extensions to be turned on (They are by default on 2000+ but can be turned off system wide or as a parameter to cmd.exe) Normally you should turn them on with setlocal, but for a simple if not equal test, just use "if not", it goes back to the good old DOS days
...
Custom Python list sorting
...for this function. What is going on here?
– HelloGoodbye
Aug 16 '19 at 10:17
1
@HelloGoodbye sort...
Get pandas.read_csv to read empty values as empty string instead of nan
...Documentation for read_csv now offers both na_values (list or dict indexed by columns) and keep_default_na (bool). The keep_default_na value indicates whether pandas' default NA values should be replaced or appended to. The OP's code doesn't work currently just because it's missing this flag. For th...
CPU Privilege Rings: Why rings 1 and 2 aren't used?
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As a hobbyist operating system writer, I found that because paging (a major part of the modern protection model) only has a concept of privileged (ring 0,1,2) and unprivileged, the benefit to rings 1 and 2 were diminished greatly.
T...
brew update: The following untracked working tree files would be overwritten by merge:
...po, you have to update or reset brew to the master branch version. brew [by default] is located in the /usr/local folder, so you
Go to that folder [first command] which also should update permissions (if not see below)
Fetch the origin [second command] which means to update your LOCAL version ...
Get all related Django model objects
..._to_many or f.one_to_one)
and f.auto_created and not f.concrete
]
So by taking the approved example we would use:
links = [
f for f in MyModel._meta.get_fields()
if (f.one_to_many or f.one_to_one)
and f.auto_created and not f.concrete
]
for link in...
Splitting String with delimiter
...t's very useful to add an edge case that you might run into when spliting by the '.' char. So you'll must need to escape the dot if you want to split on a literal dot: String extensionRemoved = filename.split("\\.")[0]; Otherwise you are splitting on the regex ., which means "any character". Note...