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What is the session's “secret” option?
...ething like topsecret. The secret should be a random string of characters. Ideally you would also change it periodically in case it has been discovered. However, this requires support for secret rotation so you don't immediately invalidate existing sessions. That is, two session secrets should be co...
What's the best way to communicate between view controllers?
...ects when appropriate (per the MVC design pattern). Usually you want to avoid putting state information inside a controller, unless it's strictly "presentation" data.
Second, see page 10 of the Stanford presentation for an example of how to programmatically push a controller onto the navigation con...
Any way to modify Jasmine spies based on arguments?
... can use withArgs
describe('my fn', function() {
it('gets user name and ID', function() {
spyOn(externalApi, 'get')
.withArgs('abc').and.returnValue('Jane')
.withArgs('123').and.returnValue(98765);
});
});
For Jasmine versions earlier than 3.0 callFake is the right way to go, ...
store and retrieve a class object in shared preference
In Android can we store an object of a class in shared preference and retrieve the object later?
13 Answers
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how to customize `show processlist` in mysql?
...ng like:
mysql show processlist
| grep -v '^\+\-\-'
| grep -v '^| Id'
| sort -n -k12
The two greps strip out the header and trailer lines (others may be needed if there are other lines not containing useful information) and the sort is done based on the numeric field number 12 (I thin...
中文网（自研/维护）拓展 · App Inventor 2 中文网
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Sidebar
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StatusBarTools
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中文网（自研/维护...
When to use , tag files, composite components and/or custom components?
... tag file.
Examples:
How to create a custom Facelets tag?
How to make a grid of JSF composite component?
How to create a composite component for a datatable column?
Primefaces outputLabel for composite component
Composite components
Use composite components if you want to create a single and reuse...
How to style the parent element when hovering a child element?
...ty to use these cascading characteristics to reach the desired effect. Consider this pseudo markup:
<parent>
<sibling></sibling>
<child></child>
</parent>
The trick is to give the sibling the same size and position as the parent and to style the sibling...
Asynchronous Requests with Python requests
I tried the sample provided within the documentation of the requests library for python.
12 Answers
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What's the difference between equal?, eql?, ===, and ==?
...u to read it, and also the documentation for these methods as they're overridden in other classes, like String.
Side note: if you want to try these out for yourself on different objects, use something like this:
class Object
def all_equals(o)
ops = [:==, :===, :eql?, :equal?]
Hash[ops.map(...