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python-pandas and databases like mysql
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frame_query is now deprecated. Now use pd.read_sql(query, db) instead.
– Robert Smith
Apr 24 '15 at 22:43
add a com...
Would it be beneficial to begin using instancetype instead of id?
...entially no type checking at all. With instancetype, the compiler and IDE know what type of thing is being returned, and can check your code better and autocomplete better.
Only use it where it makes sense of course (i.e. a method that is returning an instance of that class); id is still useful.
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Margin-Top push outer div down
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I know this is an old issue, I've come across it many times. The problem is that all of the fixes here are hacks that would potentially have unintended consequences.
First off, there's an easy explanation for the root problem....
List of installed gems?
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The Gem command is included with Ruby 1.9+ now, and is a standard addition to Ruby pre-1.9.
require 'rubygems'
name = /^/i
dep = Gem::Dependency.new(name, Gem::Requirement.default)
specs = Gem.source_index.search(dep)
puts specs[0..5].map{ |s| "#{s.name} #{s.version...
How to tell git to use the correct identity (name and email) for a given project?
...init or clone
git config --global init.templatedir '~/.git-templates'
And now copy the following lines to ~/.git-templates/hooks/pre-commit and make the file executable (don't forget this otherwise git won't execute it!)
#!/bin/bash
RED='\033[0;31m' # red color
NC='\033[0m' # no color
GITHUB_RE...
Faster s3 bucket duplication
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Now it DOES support concurrent syncing :-) docs.aws.amazon.com/cli/latest/topic/…
– python1981
Sep 19 '16 at 23:28
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Unix command to find lines common in two files
...nd which could print the common lines from two or more files, does anyone know its name? It was much simpler than diff .
1...
sizeof single struct member in C
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Wow, I didn't know sizeof((type *)0)->member) works. Am not on my dev machine now, but does this work for all the compilers? Thanks for that Joey.
– Gangadhar
Aug 24 '10 at 5:03
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Git: Create a branch from unstaged/uncommitted changes on master
... using perforce for the last few years so I cannot attest to it's accuracy now.
– Grant Limberg
Jul 12 '13 at 4:07
7
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Is there a concurrent List in Java's JDK?
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@Roland definitely NOT nitpicking. There is (now) a difference between "for each" and "enhanced for" in Java.
– hfontanez
Nov 27 '18 at 21:37
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