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Good reasons to prohibit inheritance in Java?
...o be extended, and with enough documentation to describe how it should be done
Classes marked final
If you are writing purely internal code this may be a bit of overkill. However the extra effort involved in adding five characters to a class file is very small. If you are writing only for internal...
Use of alloc init instead of new
...ttp://macresearch.org/difference-between-alloc-init-and-new
Some selected ones are:
new doesn't support custom initializers (like initWithString)
alloc-init is more explicit than new
General opinion seems to be that you should use whatever you're comfortable with.
...
Change name of iPhone app in Xcode 4
I want to change the name which is displayed below the app icon on the iPhone screen.
I use Xcode 4 and I have one target with keys:
...
How to Sign an Already Compiled Apk
... Is there a difference between using jarsigner and apksigner? One requires signing and then zipaligning and the other zipaligning and then signinig
– Maria Ines Parnisari
Dec 15 '16 at 17:27
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How to select lines between two marker patterns which may occur multiple times with awk/sed
...
(Replying to my own comment.) If there's only one section to be cut, I could tentatively solve this e.g. for LaTeX using sed -n '1,/\\begin{document}/d;/\\end{document}/d;p'. (This is cheating a little bit, since the second part does not delete up to the document end, an...
What does Redis do when it runs out of memory?
... policies when maxmemory is reached:
volatile-lru remove a key among the
ones with an expire set, trying to
remove keys not recently used.
volatile-ttl remove a key among the
ones with an expire set, trying to
remove keys with short remaining time
to live.
volatile-random remove a
random key among...
Format XML string to print friendly XML string
...
@radim Yes. No changes to the actual data will be done. Only tags will be formatted and indented.
– Charles Prakash Dasari
Feb 13 '15 at 23:44
2
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Writing a compiler in its own language
...r your language in some other language (usually Java or C). Once that is done, you can write a new version of the compiler in language Foo. You use the first bootstrap compiler to compile the compiler, and then use this compiled compiler to compile everything else (including future versions of its...
When would I use XML instead of SQL? [closed]
...ther programs. However, it is not
itself a database. Don't use it like
one.“
I think this sums it up, if a little bluntly. XML is a data interchange format. One can have XML parsing libraries that can query a DOM with XPath expressions but that is not the same thing as a DBMS. You can bui...
Check if a given key already exists in a dictionary and increment it
... find out if a given key in that dictionary has already been set to a non-None value?
12 Answers
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