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What are the best practices for using a GUID as a primary key, specifically regarding performance?
...up - but even that is not truly and fully sequential and thus also suffers from the same problems as the GUID - just a bit less prominently so.
Then there's another issue to consider: the clustering key on a table will be added to each and every entry on each and every non-clustered index on your t...
Can inner classes access private variables?
...t is similar to what @LokiAstari shown us in his answer. Here's an excerpt from Effective Java 2nd Ed "Item 22: Favor static member classes over nonstatic": "If you omit this modifier (static keyword when declaring inner class), each instance will have an extraneous reference to its enclosing instan...
How to go up a level in the src path of a URL in HTML?
...
In Chrome when you load a website from some HTTP server both absolute paths (e.g. /images/sth.png) and relative paths to some upper level directory (e.g. ../images/sth.png) work.
But!
When you load (in Chrome!) a HTML document from local filesystem you cann...
Android Spanned, SpannedString, Spannable, SpannableString and CharSequence
...parameter (e.g., setText() on a TextView).
Your cited case of using Html.fromHtml() is perhaps the most common in conventional Android development, as a TextView with a Spanned is much lighter in weight than is a WebView. However, there are other use cases, such as:
Highlighting search results
A...
How to turn on front flash light programmatically in Android?
...in android..
Update 4
If you want to set the intensity of light emerging from camera LED you can refer Can I change the LED intensity of an Android device? full post. Note that only rooted HTC devices support this feature.
** Issues:**
There are also some problems while turning On/Off flashlight...
How to change the font size on a matplotlib plot
...
From the matplotlib documentation,
font = {'family' : 'normal',
'weight' : 'bold',
'size' : 22}
matplotlib.rc('font', **font)
This sets the font of all items to the font specified by the kwargs object, ...
Error when trying vagrant up
...
Thanks, it was driving me crazy hehe. greetings from Chile
– Cristian Meza
Dec 14 '15 at 4:59
1
...
What is meant by “managed” vs “unmanaged” resources in .NET?
...p after if it's abandoned. A short-lived object's subscription to an event from a long-lived object, for example, would be an unmanaged resource even though both objects are under the control of the garbage-collector, since the GC will have no way of knowing that the subscription should be scrapped ...
How to equalize the scales of x-axis and y-axis in Python matplotlib?
...
You need to dig a bit deeper into the api to do this:
from matplotlib import pyplot as plt
plt.plot(range(5))
plt.xlim(-3, 3)
plt.ylim(-3, 3)
plt.gca().set_aspect('equal', adjustable='box')
plt.draw()
doc for set_aspect
...
Ideal Ruby project structure
...
See the following example from http://guides.rubygems.org/what-is-a-gem/
% tree freewill
freewill/
├── bin/
│ └── freewill
├── lib/
│ └── freewill.rb
├── test/
│ └── test_f...