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Why does CSS not support negative padding?
...g might help the development of CSS of certain page elements become better and easier. Yet, there is no provision for a negative padding in the W3C CSS. What is the reason behind this? Is there any obstruction to the property that prevents it's use as such? Thanks for your answers.
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Get protocol, domain, and port from URL
I need to extract the full protocol, domain, and port from a given URL. For example:
18 Answers
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Select row with most recent date per user
I have a table ("lms_attendance") of users' check-in and out times that looks like this:
11 Answers
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UUID max character length
We are using UUID as primary key for out oracle DB, and trying to determine an appropriate max character length for the VARCHAR. Apparently this is 36 characters but we have noticed UUID'S generated which are longer than this - up to 60 characters in length.
Does anyone know a suitable max char leng...
Find kth smallest element in a binary search tree in Optimum way
...(log n) in the worst case on a balanced BST, or O(log n) on average for a random BST.
A BST requires O(n) storage, and it takes another O(n) to store the information about the number of elements. All BST operations take O(depth of node) time, and it takes O(depth of node) extra time to maintain the...
The 3 different equals
What is the difference between = , == , and === ?
5 Answers
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What's the difference between using INDEX vs KEY in MySQL?
I know how to use INDEX as in the following code. And I know how to use foreign key and primary key .
5 Answers
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Executing an EXE file using a PowerShell script
... trying to execute an EXE file using a PowerShell script. If I use the command line it works without a problem (first I supply the name of the executable and series of parameters to invoke it):
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How can I use a local image as the base image with a dockerfile?
... latest 0378ea1c0b6c 19 hours ago 1.36 GB And doing "FROM ubuntu1504gcc484" in my other Dockerfile, and this works just fine. (Apologies for the poor formatting)
– Pejvan
Apr 21 '15 at 12:16
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Where does git config --global get written to?
...git 2.8 (March 2016), you can simply use:
git config --list --show-origin
And with Git 2.26 (Q1 2020), you can add a --show-scope option
git config --list --show-origin --show-scope
You will see which config is set where.
See "Where do the settings in my Git configuration come from?"
As Steven Vas...