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How to determine whether an object has a given property in JavaScript
... @jpsimons for and instance "defined to be undefined" is used by Firestore when saving document data.
– Viacheslav Dobromyslov
Sep 10 at 2:44
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Graph visualization library in JavaScript
...able to hook it in with jQuery so that users can tweak the layout manually by dragging the nodes around.
5 Answers
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Why can I use auto on a private type?
...from_Baz; to the class Foo in the question. Now the type can be identified by a public name, despite being defined in a private section of the class.
– Steve Jessop
Nov 23 '12 at 16:36
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How to insert tab character when expandtab option is on in Vim
... mapping:
:inoremap <S-Tab> <C-V><Tab>
Also, as noted by @feedbackloop, on Windows you may need to press <CTRL-Q> rather than <CTRL-V>.
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Update Eclipse with Android development tools v. 23
...d ADT v23.0.2. This solved many problems of previous ADT version 23.
Step-by-step:
Menu Help → Install New Software...
For "Work with", select the Android source https://dl-ssl.google.com/android/eclipse
Tick ADT v23.0 for installation, then click "Next"
Eclipse will show "Install Remediation ...
What is the use of the pipe symbol in YAML?
...ad of 6+ because the last block-level element is the array item (specified by -) and the literal is indented 4 from it. Somewhat surprisingly the final: | mapping is not considered a block element even though its value is multi-lined. It sort of makes sense if you think about it -- it's still just...
How to deal with “data of class uneval” error from ggplot2?
...t doesn't exist. For example, recently I forgot to tell ddply to summarize by one of my variables that I used in geom_line to specify line color. Then, ggplot didn't know where to find the variable I hadn't created in the summary table, and I got this error.
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Is there a way to rename an Xcode 4 scheme?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Func with out parameter
...nd V as covariant. However, since a parameter (output) of type U is passed by reference, U cannot be marked co- or contravariant and must remain "invariant". So consider public delegate V MyDelegate<in T, U, out V>(T input, out U output); if you use C# 4 or later.
– Jeppe...
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
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do i have a version problem by any chance? I am using django 1.5 , python 2.7.3 with my sql(14.14 for debian)
– getitstarted
Mar 10 '13 at 0:57
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