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What is the difference between “expose” and “publish” in Docker?
...col are optional, if not a public port is specified, a random port will be selected on host by docker to expose the specified container port on Dockerfile.
A good pratice is do not specify public port, because it limits only one container per host ( a second container will throw a port already in u...
How can I override Bootstrap CSS styles?
...yles in the future. That leaves us with CSS priorities.
Basically, every selector has its own numerical 'weight':
100 points for IDs
10 points for classes and pseudo-classes
1 point for tag selectors and pseudo-elements
Note: If the element has inline styling that automatically wins (1000 points...
Parsing JSON with Unix tools
...s is format the JSON, if I'm not mistaken. It does not allow the caller to select a particular field from the output, as would an xpath solution, or something based on "JSON Pointer".
– Cheeso
Jun 4 '14 at 0:42
...
How does the Google “Did you mean?” Algorithm work?
...ults than using n-gram indexing, as described above.
In each case you must select the best correction from a list. This may be a distance metric such as levenshtein, the keyboard metric, etc.
For a multi-word phrase, only one word may be misspelled, in which case you can use the remaining words as c...
Git/GitHub can't push to master
...ttp://github.com/my_user_name/my_repo you will see a textbox where you can select the git path to your repository. You'll want to use this!
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foll...
Google Chrome Printing Page Breaks
...
Actually one detail is missing from the answer that is selected as accepted (from Phil Ross)....
it DOES work in Chrome, and the solution is really silly!!
Both the parent and the element onto which you want to control page-breaking must be declared as:
position: relative
ch...
Why isn't my JavaScript working in JSFiddle?
...
Select OnDomready
HTML:
<input id="dButton" type="button" value="test"/>
JavaScript:
addEventListener('load', init, false);
function init()
{
oInput = document.getElementById('dButton');
oInput.onclick = test...
How to get all subsets of a set? (powerset)
... = [a for a in A]
ps = set()
for i in range(2 ** length):
selector = f'{i:0{length}b}'
subset = {l[j] for j, bit in enumerate(selector) if bit == '1'}
ps.add(frozenset(subset))
return ps
If you want exactly the output you posted in your answer use this:
>&...
XPath query to get nth instance of an element
...
This is a FAQ:
//somexpression[$N]
means "Find every node selected by //somexpression that is the $Nth child of its parent".
What you want is:
(//input[@id="search_query"])[2]
Remember: The [] operator has higher precedence (priority) than the // abbreviation.
...
Disable assertions in Python
...d allow assert statements to be optimized away is by raising them within a selection statement:
if foo_is_broken():
raise AssertionError('Foo is broken!')
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