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What's the difference between SoftReference and WeakReference in Java?
...utilize free
memory for performance optimization, but don't risk an OOME.
Now for the [*]. Keeping a SoftReference can't cause an OOME in itself. If
on the other hand you mistakenly use SoftReference for a task a WeakReference is meant
to be used (namely, you keep information associated with an Obj...
Running shell command and capturing the output
...ompared to the old way of doing things. But I think it's worth the payoff: now you can do almost anything you need to do with the run function alone.
Older versions of Python (2.7-3.4): check_output
If you are using an older version of Python, or need modest backwards compatibility, you can probab...
Forking vs. Branching in GitHub
I'd like to know more about the advantages and disadvantages of forking a github project vs. creating a branch of a github project.
...
Best design for a changelog / auditing database table? [closed]
...D
That's when design of our audit log really stabilized (for a few years now).
Of course, the last "improvement" would work only for tables that had surrogate keys. But guess what? All our tables that are worth auditing do have such a key!
...
Xml configuration versus Annotation based configuration [closed]
...fect sense, since this is information a programmer would probably wish to know. But that an interface is going to be injected as a SubtypeY instead of a SubtypeX should not be included in the class, because if now you wish to inject SubtypeX, you have to change your code, whereas you had an interfa...
How to use unicode characters in Windows command line?
...3 of my keyboard layout (mentioned above) was missing some support files. Now fixed! (Judging by my .log files, it is an intermittent bug in zip -ru [?!]. Have no clue how to debug it — or avoid in the future…)
– Ilya Zakharevich
Sep 20 '18 at 2:50
...
Get started with Latex on Linux [closed]
...Live is the newer of the two, and is replacing tetex on most distributions now.
If you're using Debian or Ubuntu, something like:
<code>apt-get install texlive</code>
..will get it installed.
RedHat or CentOS need:
<code>yum install tetex</code>
Note : This needs root perm...
Convert RGB to RGBA over white
... input values and r', g', b', and a' be the output values, all scaled (for now, as it makes the math prettier) between 1 and 0. Then, by the formula for overlaying colors:
r = a' * r' + 1 - a'
g = a' * g' + 1 - a'
b = a' * b' + 1 - a'
The 1 - a' terms represent the background contribution, and th...
Good or bad practice? Initializing objects in getter
...on of this issue is unnecessary as we will see shortly.
In general:
It's now time to look at lazy initialization in general:
Lazy initialization is usually used to delay the construction of objects that take a long time to be constructed or that take a lot of memory once fully constructed.
That is...
What are some resources for getting started in operating system development? [closed]
... magazine name) and then asking around for people with a copy.
Lastly, I know that usenet is dead (for so sayeth the prophets of internet doom) but you'll find that many of the craggy old experts from that era still live there. You should search google groups (they have dejanews's old repository) ...