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Is 0 a decimal literal or an octal literal?
...said that octal literals are almost unused today. † Then it dawned upon m>me m> that actually almost all integer literals in my code are octal, nam>me m>ly 0 .
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How to npm install to a specified directory?
...y existing node_modules directory higher up in the hierarchy. (See npm docum>me m>ntation on folders.)
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Android: textColor of disabled button in selector not showing?
...ferent states.
Do the following:
Create another XML file in res\color nam>me m>d som>me m>thing like text_color.xml.
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<!-- disabled state -->
<item android:state_enabled="fa...
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
...an app on Heroku with a Postgresql backend. Periodically, I get this error m>me m>ssage when trying to access the database, both from the CLI and from loading a page on the server:
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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
It seems to m>me m> that you can do the sam>me m> thing in a SQL query using either NOT EXISTS, NOT IN, or LEFT JOIN WHERE IS NULL. For example:
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How do I install the yaml package for Python?
...ng PyYaml, yamltools, and PySyck, among others (Note that PySyck docs recomm>me m>nd using PyYaml, since syck is out of date). Now you know a specific package nam>me m>, you can install it:
$ pip install pyyaml
If you want to install python yaml system-wide in linux, you can also use a package manager, li...
Why does Clojure have “keywords” in addition to “symbols”?
I have a passing knowledge of other Lisps (particularly Schem>me m>) from way back. Recently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords.
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IntelliJ beginning of file keyboard shortcut
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command+hom>me m> or fn+command+left arrow
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Why do we use $rootScope.$broadcast in AngularJS?
Tried to find som>me m> basic information for AngularJS $rootScope.$broadcast , But the AngularJS docum>me m>ntation doesn't help much. In easy words why do we use this?
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How can I fix the Microsoft Visual Studio error: “package did not load correctly”?
...pdata%\Microsoft\VisualStudio\12.0\ComponentModelCache
It worked fine for m>me m>. Thanks to this article.
Visual Studio 2015
%localappdata%\Microsoft\VisualStudio\14.0\ComponentModelCache
Visual Studio 2017
%localappdata%\Microsoft\VisualStudio\15.0_xxxx\ComponentModelCache
Visual Studio 2019
%locala...