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JavaScript property access: dot notation vs. brackets?
...t notation allows access to properties containing
special characters and selection of
properties using variables
Another example of characters that can't be used with dot notation is property names that themselves contain a dot.
For example a json response could contain a property called...
How do you find all subclasses of a given class in Java?
...and fields) in memory, for all classes on the classpath, or for classes in selected packages, and you can query this class graph however you want. ClassGraph supports more classpath specification mechanisms and classloaders than any other scanner, and also works seamlessly with the new JPMS module s...
How do I use CSS in Django?
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Just a quick note on those Django docs - make sure you select the documents for the version of Django you're using. Things appear to have changed a lot between versions with regard to static files.
– Sam Starling
Nov 3 '10 at 11:09
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Whether a variable is undefined [duplicate]
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jQuery.val() and .text() will never return 'undefined' for an empty selection. It always returns an empty string (i.e. ""). .html() will return null if the element doesn't exist though.You need to do:
if(page_name != '')
For other variables that don't come from something like jQuery.val(...
Shortcut to switch between design and text in Android Studio
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You can find it in Settings->KeyMap
"Select next Tab in multi-editor file" CRTL+SHIFT+RIGHT (it may depend by the platform).
You can change it.
Now you can check sequence of button in top right bar to switch between design, text and preview.
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Can I specify multiple users for myself in .gitconfig?
... an arbitrary number of IDs inside a configfile (~/.gitpassport) which are selectable on a prompt. You can find the project at github.com: git-passport - A Git command and hook written in Python to manage multiple Git accounts / user identities.
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How can I efficiently download a large file using Go?
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The answer selected above using io.Copy is exactly what you need, but if you are interested in additional features like resuming broken downloads, auto-naming files, checksum validation or monitoring progress of multiple downloads, chec...
See all breakpoints in Visual Studio 2010+
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In Visual Studio 2017, Ctrl+D duplicates the current selection and Ctrl+B adds a new breakpoint at the current line. Ctrl+F9 does nothing.
– Malcolm
May 7 '19 at 16:16
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How to use a WSDL file to create a WCF service (not make a call)
...for. Try "Contract First" and WCF. or "WSDL First" and WCF.
Here is a selection:
Basic overview of WSDL-First development with WCF and SvcUtil.exe.
WSCF - A free add-in to Visual Studio enabling Contract-First design with WCF
Introduction to WSCF
A walkthrough of using WSCF
The WSCF proje...
What is the difference between attribute and property? [closed]
...ou can observe the behaviour of properties when clicking on an element and selecting the "DOM view".
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