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Retrieve filename from file descriptor in C
...}
Since I never remember where MAXPATHLEN is defined, I thought PATH_MAX from syslimits would be fine.
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How to use multiple AWS Accounts from the command line?
...46053/1199564) because it allows a user to understand how to move settings from one profile to another if, for example, you started out with only the default profile and want to continue with dedicated, separate profiles.
– mgd
Mar 14 '18 at 8:24
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Circle-Rectangle collision detection (intersection)
... implement too: one way would be to check if the foot of the perpendicular from P to the line is close enough and between the endpoints, and check the endpoints otherwise.
The cool thing is that the same idea works not just for rectangles but for the intersection of a circle with any simple polygon...
What are detached, persistent and transient objects in hibernate?
...ce, one can detach an instance by calling session.evict(). This removes it from being managed by Hibernate (thus prevent changes to the instance from being automatically propagated back to the db). You can send changes to the db via session.update(), and re-attach it with session.merge().
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How do I find the location of Python module sources?
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Running python -v from the command line should tell you what is being imported and from where. This works for me on Windows and Mac OS X.
C:\>python -v
# installing zipimport hook
import zipimport # builtin
# installed zipimport hook
# C:...
Difference between TCP and UDP?
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From the Skullbox article:
TCP (Transmission Control Protocol) is the most commonly used protocol on the Internet.
The reason for this is because TCP offers error correction. When the TCP protocol is used there is a "guarant...
Interfaces — What's the point?
The reason for interfaces truly eludes me. From what I understand, it is kind of a work around for the non-existent multi-inheritance which doesn't exist in C# (or so I was told).
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Gzip versus minify
...are the results of a test I did a while back, using a "real life" CSS file from my website. CSS Optimiser is used for minification. The standard Linux archive app that comes with Ubuntu was used for Gzipping.
Original: 28,781 bytes
Minified: 22,242 bytes
Gzipped: 6,969 bytes
Min+Gzip: 5,990 bytes
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What does “zend_mm_heap corrupted” mean
...s -- do not use memcache. In the latter case, I had a configuration copied from production to a customer one-off, and the memcache configuration indicated a memcache server URI that was not available in that environment. I deleted the line and disabled memcache in the app, and the problem went away....
What's the difference between $evalAsync and $timeout in AngularJS?
...xchanges with Misko.)
To summarize:
if code is queued using $evalAsync from a directive, it should run after the DOM has been manipulated by Angular, but before the browser renders
if code is queued using $evalAsync from a controller, it should run before the DOM has been manipulated by Angular ...