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JavaScript: How to find out if the user browser is Chrome?
...t this, here's the code I used which excluded Edge, Maxthon, iOS safari ...etc var is_chrome = ((navigator.userAgent.toLowerCase().indexOf('chrome') > -1) &&(navigator.vendor.toLowerCase().indexOf("google") > -1));
– Alex C.
Mar 1 '16 at 16:09
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Do NSUserDefaults persist through an Update to an app in the Appstore?
...rDefaults is the best way to save data such as preferences, dates, strings etc. If you are looking to save images and files, the file system is a better bet.
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How to activate JMX on my JVM for access with jconsole?
...warded the ports when running the docker image: -p 9998:9998, -p 9999:9999 etc.
– Barney
Aug 6 '19 at 3:23
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Get Image size WITHOUT loading image into memory
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This is a wrapper around libmagic which read as few bytes as possible in order to identify a file type signature.
Relevant version of script:
https://raw.githubusercontent.com/scardine/image_size/master/get_image_size.py
[update]
Hmmm, unfortunately, when applied to jpegs, the above gives "...
How can I detect the touch event of an UIImageView?
...as the button image. But if you want finer-grain control over taps, moves, etc. this is the way to go.
You'll also want to look at a few more things:
Override canBecomeFirstResponder and return YES to indicate that the view can become the focus of touch events (the default is NO).
Set the userInt...
Relatively position an element without it taking up space in document flow
...t flow at all. You can then position it using one of the "left", "bottom", etc, properties. The relative positioning on the parent shouldn't usually affect it because it will be positioned at its original position by default if you don't specify "left", "bottom", etc.
http://css-tricks.com/absolute...
Adding an arbitrary line to a matplotlib plot in ipython notebook
...linewidth=2)
(of course you can choose the color, line width, line style, etc.)
From your example:
import numpy as np
import matplotlib.pyplot as plt
np.random.seed(5)
x = np.arange(1, 101)
y = 20 + 3 * x + np.random.normal(0, 60, 100)
plt.plot(x, y, "o")
# draw vertical line from (70,100) to ...
Using an ORM or plain SQL? [closed]
...cuss is basic state-management. This entire stack of frameworks (JSF, JPA, etc) is based on Java beans get/set methods. This is a TON of boilerplate for every table, for every column and ... here's the real anti-pattern: Just to expose every field as if it were public. In effect, having a get/set me...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
...nce without using Interlocked.Exchange then the compiler might mess up the order of those operations, thus making accessing the second reference not thread-safe. Is that really so? Does it make sense to use Interlocked.Exchange is that kind of scenarios?
– Mike
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Select where count of one field is greater than one
... COUNT(Field1)
FROM Table1
GROUP BY Field1
HAVING COUNT(Field1) > 1
ORDER BY Field1 desc
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