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What is the difference between “px”, “dip”, “dp” and “sp”?
... 240 360
Density (factor of baseline 160) 1.0 1.5
Density-independent pixels 240 240
(“dip” or “dp” or “dps”)
Scale-independent pixels
(“sip” or “sp”) Depend...
Performance surprise with “as” and nullable types
...out a dozen instructions. This needed to be really efficient back in .NET 1.0 when boxing was common.
Casting to int? takes a lot more work. The value representation of the boxed integer is not compatible with the memory layout of Nullable<int>. A conversion is required and the code is tri...
Turn a number into star rating display using jQuery and CSS
... <meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Star Rating</title>
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.9.0/css/all.min.css" rel...
Are list-comprehensions and functional functions faster than “for loops”?
...l version
dt_p = time.time() - t0_p
f_vs_p = dt_p / dt_f
if f_vs_p >= 1.0:
print('Time benefit of functional progamming:', f_vs_p,
'times as fast for', n_points, 'points')
else:
print('Time penalty of functional programming:', 1 / f_vs_p,
'times as slow for', n_poi...
What kind of Garbage Collection does Go use?
...upports finalizers on objects
there is no support for weak references
Go 1.0 garbage collector:
same as Go 1.1, but instead of being mostly precise the garbage collector is conservative. The conservative GC is able to ignore objects such as []byte.
Replacing the GC with a different one is cont...
Providing white space in a Swing GUI
...], 2, 0, 1, 2
, GridBagConstraints.BOTH, 0.33, 1.0);
contentPane.add(gridBagPanel);
cardPanel = new JPanel(new CardLayout(hGap, vGap));
cardPanel.setBorder(
BorderFactory.createTitledBorder("CardLayout"));
cardPanel.setOpaque(t...
How can I set the aspect ratio in matplotlib?
...he matplotlib version you are running? I have recently had to upgrade to 1.1.0, and with it, add_subplot(111,aspect='equal') works for me.
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HTTP status code for a partial successful request
... for you. If you do, you could do something like so:
<?xml version="1.0" encoding="utf-8" ?>
<D:multistatus xmlns:D='DAV:'>
<D:response>
<D:user>user-123</D:user>
<D:status>success</D:status>
</D:response>
<D:resp...
Maven: how to override the dependency added by a library
...used. This can be useful if your project A includes an external project B v1.0 that includes another external project C v1.0. Sometimes it happens that a security breach is found in project C v1.0 which is corrected in v1.1, but the developers of B are slow to update their project to use v1.1 of C. ...
OAuth secrets in mobile apps
...and you can make calls from the app to the resource directly.
With OAuth 1.0 (Twitter), the secret is required to make API calls. Proxying calls through the server is the only way to ensure the secret is not compromised.
Both require some mechanism that your server component knows it is your clie...