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Batch file include external file for variables
...subjects (family, size, color, animals) and apply them individually in any order anywhere you want in your batch scripts:
@echo off
rem Empty the variable to be ready for label config_all
set config_all_selected=
rem Go to the label with the parameter you selected
goto :config_%1
REM This next li...
How to get a list of all files that changed between two Git commits?
...e the last commit), I like to look at those modifications in chronological order.
For that I use:
To list all non-staged files:
git ls-files --other --modified --exclude-standard
To get the last modified date for each file:
while read filename; do echo -n "$(stat -c%y -- $filename 2> /dev...
What is eager loading?
...hing when asked. Classic example is when you multiply two matrices. You do all the calculations. That's eager loading;
Lazy loading: you only do a calculation when required. In the previous example, you don't do any calculations until you access an element of the result matrix; and
Over-eager loadin...
Difference between Eclipse Europa, Helios, Galileo
...d how the names of the last three and the next release are in alphabetical order (Galileo, Helios, Indigo, Juno)? This is probably how they will go in the future, in the same way that Ubuntu release codenames increase alphabetically (note Indigo is not a moon of Jupiter!).
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How to keep index when using pandas merge
...as before:
a.merge(b, how="left").set_axis(a.index)
merge preserves the order at dataframe 'a', but just resets the index so it's save to use set_axis
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Random record in ActiveRecord
...d = Model.first(:offset => offset)
To be honest, I've just been using ORDER BY RAND() or RANDOM() (depending on the database). It's not a performance issue if you don't have a performance issue.
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How to “comment-out” (add comment) in a batch/cmd?
...orrect answer. When using syntax highlighting the REM command does not actually highlight the text as "commented out".
– Automatico
May 29 '14 at 8:42
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What are the differences between JSON and JSONP?
...u can load the JSON as a script file. If you previously set up a function called func, then that function will be called with one argument, which is the JSON data, when the script file is done loading. This is usually used to allow for cross-site AJAX with JSON data. If you know that example.com is ...
View contents of database file in Android Studio
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Because you need to install in in order to use
– Paul Paca-Vaca Seleznev
Jun 19 '15 at 14:57
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Extract hostname name from string
...pm package psl (Public Suffix List). The "Public Suffix List" is a list of all valid domain suffixes and rules, not just Country Code Top-Level domains, but unicode characters as well that would be considered the root domain (i.e. www.食狮.公司.cn, b.c.kobe.jp, etc.). Read more about it here.
T...