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JavaScript: clone a function
...tes
It does not clone the function object additional attached properties, including the prototype property. Credit to @jchook
The new function this variable is stuck with the argument given on bind(), even on new function apply() calls. Credit to @Kevin
function oldFunc() {
console.log(this.ms...
How to change a nullable column to not nullable in a Rails migration?
...on't need to specify the field's value every time I create a new object. I included the commented out code to do that as well.
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Django Rest Framework - Could not resolve URL for hyperlinked relationship using view name “user-det
....py. I give the app a namespace in myproject/urls.py, just like:
url(r'', include(myapp.urls, namespace="myapp")),
I registered the rest framework routers in myapp/urls.py, and then got this error.
My solution was to provide url with namespace explicitly:
class UserSerializer(serializers.Hyperl...
Logging uncaught exceptions in Python
...n override the default behavior of sys.excepthook to do whatever you want (including using logging.exception).
As a straw man example:
>>> import sys
>>> def foo(exctype, value, tb):
... print 'My Error Information'
... print 'Type:', exctype
... print 'Value:', value
....
Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
... components (such as <p:commandButton>) very important that you also include the component itself in the process attribute, particularly if you intend to invoke the action associated with the component. So the below example which intends to process only certain input component(s) when a certai...
Formatting text in a TextBlock
... shows basic formatting with Bold Itallic and underscored text.
Following includes the SPAN method, with this you van highlight text:
<TextBlock Margin="10" TextWrapping="Wrap">
This <Span FontWeight="Bold">is</Span> a
<Span Backgroun...
Embedding SVG into ReactJS
...
If you just have a static svg string you want to include, you can use dangerouslySetInnerHTML:
render: function() {
return <span dangerouslySetInnerHTML={{__html: "<svg>...</svg>"}} />;
}
and React will include the markup directly without processing...
Cleanest way to write retry logic?
...ng Application Block provides an extensible collection of retry strategies including:
Incremental
Fixed interval
Exponential back-off
It also includes a collection of error detection strategies for cloud-based services.
For more information see this chapter of the Developer's Guide.
Availab...
How do I import global modules in Node? I get “Error: Cannot find module ”?
...ental variable NODE_PATH to allow for specifying additional directories to include in the module search path. You can use npm itself to tell you where global modules are stored with the npm root -g command. So putting those two together, you can make sure global modules are included in your search...
What are all the differences between src and data-src attributes?
...set of data-* attributes, which have no defined meaning but can be used to include invisible data in an element, for use in scripting (or styling).
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