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Android preferences onclick event
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Where shall i place this? in my SettingsActivity in onPostCreate wont work because it is too early(Nullpointer-Exception). Any help is appreciated
– Wandang
Feb 21 '13 at 18:28
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Why there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT clause?
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Previously, at most one TIMESTAMP column per table could be
automatically initialized or updated to the current date and time.
This restriction has been lifted. Any TIMESTAMP column definition can
have any combination of DEFAULT CURRENT_TIMESTAMP and ON UPDATE
CURRENT_TIMESTAMP clauses. ...
AngularJS : When to use service instead of factory
...actory).
ref: angular.service vs angular.factory
Second:
Keep in mind all providers in AngularJS (value, constant, services, factories) are singletons!
Third:
Using one or the other (service or factory) is about code style.
But, the common way in AngularJS is to use factory.
Why ?
Be...
What is the use of static constructors?
...required configuration data into readonly fields, etc.
It is run automatically by the runtime the first time it is needed (the exact rules there are complicated (see "beforefieldinit"), and changed subtly between CLR2 and CLR4). Unless you abuse reflection, it is guaranteed to run at most once (eve...
Postgres: “ERROR: cached plan must not change result type”
...after the database table was modified. This reset the database connection, allowing the prepared statement to execute without errors.
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Possible to make labels appear when hovering over a point in matplotlib?
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It seems none of the other answers here actually answer the question. So here is a code that uses a scatter and shows an annotation upon hovering over the scatter points.
import matplotlib.pyplot as plt
import numpy as np; np.random.seed(1)
x = np.random.rand(15)
y =...
What is the http-header “X-XSS-Protection”?
... Details are hard to find because it is a proprietary technology. Essentially, IE monitors if any of the suspiciously-looking parameters that the browser sends to a website come back in the response decoded. For example, if a user clicks on attack-me.com/… (which is "><script>alert('XS...
Using an image caption in Markdown Jekyll
...ere! I am not quite sure where and how to put the CSS part...it would be really great if anyone could help.
– ChriiSchee
Apr 10 '19 at 13:50
2
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Rest with Express.js nested router
...other words, is there an explicit way to write the registration or access calls such that the item router lets us know it expects to be passed a user id? Example situation, the item router is in another file altogether, structurally it isn't clear that it requires a user unless you get into its call...
How do I validate a date string format in python?
...te is ambiguous. This defaults to False. E.g.
>>> parse('11/12/2001')
>>> datetime.datetime(2001, 11, 12, 0, 0) # Nov 12
>>> parse('11/12/2001', dayfirst=True)
>>> datetime.datetime(2001, 12, 11, 0, 0) # Dec 11
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