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SQL selecting rows by most recent date
...
I see most of the developers use inline query without looking out it's impact on huge data.
in simple you can achieve this by:
select a.chargeId, a.chargeType, a.serviceMonth
from invoice a
left outer join invoice b
on a.chargeId=b.chargeId and a.serviceMonth <b.servic...
What's a good way to extend Error in JavaScript?
...ormation like fileName and lineNumber, but doing so requires information about the platform JavaScript is currently running upon. Most cases that is unnecessary -- and you can do it in post-mortem if you really want.
Safari is a notable exception. There is no stack property, but the throw keyword s...
Ruby on Rails: How do I add placeholder text to a f.text_field?
...eholder" attribute is only supported by HTML5 supporting browsers, leaving out browsers like Internet Explorer.
– travis-146
Aug 8 '11 at 20:52
1
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Renaming branches remotely in Git
...
If you really just want to rename branches remotely, without renaming any local branches at the same time, you can do this with a single command:
git push <remote> <remote>/<old_name>:refs/heads/<new_name> :<old_name>
I wrote this script (git-rename-r...
How can I switch my git repository to a particular commit
...e a new branch (locally):
With the commit hash (or part of it)
git checkout -b new_branch 6e559cb
or to go back 4 commits from HEAD
git checkout -b new_branch HEAD~4
Once your new branch is created (locally), you might want to replicate this change on a remote of the same name: How can I pus...
Pandas get topmost n records within each group
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To get output I need, I also added .reset_index(drop=True)
– Roman Pekar
Nov 19 '13 at 10:57
1
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Const in JavaScript: when to use it and is it necessary?
...e done. This results in better performance.
The human-related aspect is about the semantics of the keyword. A variable is a data structure that contains information that is expected to change. A constant is a data structure that contains information that will never change. If there is room for erro...
Parse string to date with moment.js
...ant to parse the following string with moment.js 2014-02-27T10:00:00 and output
day month year (14 march 2014)
I have been reading the docs but without success
http://momentjs.com/docs/#/parsing/now/
...
Calculating width from percent to pixel then minus by pixel in LESS CSS
...
div {
> span {
width: calc(~'100% - 10px');
}
}
CSS Output
div > span {
width: calc(100% - 10px);
}
Interpolation of Variables
You can insert a LESS variable into the string:
LESS Input
div {
> span {
@pad: 10px;
width: calc(~'100% - @{pad}');...
Change R default library path using .libPaths in Rprofile.site fails to work
...t but .libPaths can either report or alter its target.
The information about the R startup process can be read at ?Startup help page and there is RStudio material at: https://support.rstudio.com/hc/en-us/articles/200549016-Customizing-RStudio
In your case it appears that RStudio is not respecting...