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JavaScript OR (||) variable assignment explanation
... variable is falsy.
The boolean operators in JavaScript can return an operand, and not always a boolean result as in other languages.
The Logical OR operator (||) returns the value of its second operand, if the first one is falsy, otherwise the value of the first operand is returned.
For example:...
Is embedding background image data into CSS as Base64 good or bad practice?
I was looking at the source of a greasemonkey userscript and noticed the following in their css:
12 Answers
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ExecutorService, how to wait for all tasks to finish
... if asked.) This avoids all the manual shutdown, awaitTermination, etc... and allows you to reuse this ExecutorService neatly for multiple cycles, if desired.
There are a few related questions on SO:
How to wait for all threads to finish
Return values from java threads
invokeAll() not willing to...
Android Studio Multi-Windows for One Project
I'm wondering if anyone knows how to open two windows of Android Studio with both having the same project. I know you can drag tabs out, but that allows you to only edit that one file. I want two fully-featured windows with each being able to see the Project Files/Structure.
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UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to
...coding. Which one you have to figure out yourself. Common ones are Latin-1 and UTF-8. Since 0x90 doesn't actually mean anything in Latin-1, UTF-8 (where 0x90 is a continuation byte) is more likely.
You specify the encoding when you open the file:
file = open(filename, encoding="utf8")
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Last segment of URL in jquery
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Attn: @Set Kyar Wa Lar Aug and @Sнаđошƒаӽ Solution for url that contains a / at the end: var url = window.location.href.replace(/\/$/, ''); /* remove optional end / */ var lastSeg = url.substr(url.lastIndexOf('/') + 1);
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Setting an object to null vs Dispose()
I am fascinated by the way the CLR and GC works (I'm working on expanding my knowledge on this by reading CLR via C#, Jon Skeet's books/posts, and more).
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Why does “pip install” inside Python raise a SyntaxError?
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pip is run from the command line, not the Python interpreter. It is a program that installs modules, so you can use them from Python. Once you have installed the module, then you can open the Python shell and do import selenium.
The Python shell is...
Apache: client denied by server configuration
...fy any in this context? I'm asking because I was pulling my hair out here, and adding this it got everything working for me. The odd thing is the app was working with the existing vhost entry until a recent Apache upgrade to 2.4.9. Weirder again, is that it's working fine on another server with same...
Choosing the default value of an Enum type without having to change values
...he values? The numbers required might be set in stone for whatever reason, and it'd be handy to still have control over the default.
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