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Compute a confidence interval from sample data
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edited Aug 6 '18 at 17:46
gcamargo
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MySQL query to get column names?
...`TABLE_SCHEMA`='yourdatabasename'
AND `TABLE_NAME`='yourtablename';
It's VERY powerful, and can give you TONS of information without need to parse text (Such as column type, whether the column is nullable, max column size, character set, etc)...
Oh, and it's standard SQL (Whereas SHOW ... is...
Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
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edited Sep 29 '17 at 13:05
answered Dec 7 '12 at 17:13
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Create directory if it does not exist
I am writing a PowerShell script to create several directories if they do not exist.
11 Answers
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Automatically remove Subversion unversioned files
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Edit:
Subversion 1.9.0 introduced an option to do this:
svn cleanup --remove-unversioned
Before that, I use this python script to do that:
import os
import re
def removeall(path):
if not os.path.isdir(path):
o...
What's the difference between HEAD^ and HEAD~ in Git?
When I specify an ancestor commit object in Git, I'm confused between HEAD^ and HEAD~ .
15 Answers
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How to perform case-insensitive sorting in JavaScript?
...have an array of strings I need to sort in JavaScript, but in a case-insensitive way. How to perform this?
15 Answers
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Returning value from called function in a shell script
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A Bash function can't return a string directly like you want it to. You can do three things:
Echo a string
Return an exit status, which is a number, not a string
Share a variable
This is also true for some other shells.
Here's how to do each of those options:
1. Echo strings
loc...
is it possible to update UIButton title/text programmatically?
...change some settings. When the view is dismissed, I'd like to update the title/text of the UIButton to reflect the new state. I'm calling:
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TypeError: ObjectId('') is not JSON serializable
...om MongoDB after querying an aggregated function on document using Python, It returns valid response and i can print it but can not return it.
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