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Setting environment variables on OS X
...nment.plist
See:
https://developer.apple.com/legacy/library/qa/qa1067/_index.html
https://developer.apple.com/library/content/documentation/MacOSX/Conceptual/BPRuntimeConfig/Articles/EnvironmentVars.html
For PATH in the Terminal, you should be able to set in .bash_profile or .profile (you'll p...
How do I get the first n characters of a string without checking the size or going out of bounds?
...ava without doing a size check first (inline is acceptable) or risking an IndexOutOfBoundsException ?
9 Answers
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How to see log files in MySQL?
... = /var/log/mysql/mysql-slow.log
long_query_time = 2
log-queries-not-using-indexes
step3: save the file and restart mysql using following commands
service mysql restart
To enable logs at runtime, login to mysql client (mysql -u root -p) and give:
SET GLOBAL general_log = 'ON';
SET GLOBAL slow_...
How can I style even and odd elements?
....
Odd and even are keywords that can be used to match child elements whose index is odd or even (the index of the first child is 1).
this is what you want:
<html>
<head>
<style>
li { color: blue }<br>
li:nth-child(even) { color:red }
...
MIN/MAX vs ORDER BY and LIMIT
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In the worst case, where you're looking at an unindexed field, using MIN() requires a single full pass of the table. Using SORT and LIMIT requires a filesort. If run against a large table, there would likely be a significant difference in percieved performance. As a mea...
Label on the left side instead above an input field
...te CSS to fix the issue.
However, I find it odd that I need to do this at all. I couldn't help but feel this manipulation was both annoying and in the long term, error prone. Ultimately, I used a dummy class and some JS to globally shim all my inline inputs. It was small number of cases, so not muc...
How to read a text file into a list or an array with Python
...ist_of_lists) returns a zip object that is not subscriptable.
If you need indexed access you can use
by_cols = list(zip(*list_of_lists))
that gives you a list of lists in both versions of Python.
On the other hand, if you don't need indexed access and what you want is just to build a dictionary...
Storing images in SQL Server?
I have made a small demo site and on it I am storing images within a image column on the sql server. A few questions I have are...
...
Strip HTML from Text JavaScript
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@Magnus Smith: Yes, if whitespace is a concern - or really, if you have any need for this text that doesn't directly involve the specific HTML DOM you're working with - then you're better off using one of the other solutions given here. The primary advantages of this method are ...
Reading ePub format
...k like (a subset of XHTML 1.1 + CSS)
one to define a "manifest" that lists all of the files that make up that content (OPF, which is an XML file)
one to define how everything is packaged up (OEBPS: a zip file of everything in the manifest plus a few extra files)
The specs look a bit daunting but a...