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Difference between JOIN and INNER JOIN
... bases (e.g. SQL, postgres?) Does anyone know a link to the documentation explaining this?
– Chogg
Oct 25 '17 at 17:32
4
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JavaScript loop through json array?
...
I think that example can be confuse, because var json is not a JSON object, but an array. In this case, .forEach works well, but when you use a json object, it doesn't work.
– mpoletto
May 4 '18 at 15...
Escape regex special characters in a Python string
... have a function that I can use to escape special characters in a regular expression?
6 Answers
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String.Join method that ignores empty strings?
...ng about 'Where' on MSDN: msdn.microsoft.com/en-us/library/system.array.aspx
– Doug
May 2 '13 at 12:55
1
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MySQL root password change
...e) and still no luck. Does anyone have any suggestions on what I can do next?
22 Answers
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Get URL query string parameters
...hich parses a URL and return its components. Including the query string.
Example:
$url = 'www.mysite.com/category/subcategory?myqueryhash';
echo parse_url($url, PHP_URL_QUERY); # output "myqueryhash"
Full documentation here
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.NET String.Format() to add commas in thousands place for a number
... @Justin: According to msdn.microsoft.com/en-us/library/0c899ak8.aspx, the ',' (and the '.') are replaced with the correct localized characters.
– Roger Lipscombe
Mar 4 '13 at 9:29
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Remove duplicate dict in list in Python
...t not in seen:
seen.add(t)
new_l.append(d)
print new_l
Example output:
[{'a': 123, 'b': 1234}, {'a': 3222, 'b': 1234}]
Note: As pointed out by @alexis it might happen that two dictionaries with the same keys and values, don't result in the same tuple. That could happen if they ...
Access an arbitrary element in a dictionary in Python
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On Python 3, non-destructively and iteratively:
next(iter(mydict.values()))
On Python 2, non-destructively and iteratively:
mydict.itervalues().next()
If you want it to work in both Python 2 and 3, you can use the six package:
six.next(six.itervalues(mydict))
though ...
Following git-flow how should you handle a hotfix of an earlier release?
...is a concept of a "support" branch in git flow. This is used to add a hotfix to an earlier release.
This thread has more information, with these examples:
git checkout 6.0
git checkout -b support/6.x
git checkout -b hotfix/6.0.1
... make your fix, then:
git checkout support/6.x
git merge hotfix...