大约有 31,840 项符合查询结果（耗时：0.0573秒） [XML]
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.
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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:
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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
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(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...
Format XML string to print friendly XML string
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@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
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
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I'm hoping someone can provide some concrete examples of best use cases for each.
Use Retrofit if you are communicating with a Web service. Use the peer library Picasso if you are downloading images. Use OkHTTP if you need to do HTTP oper...
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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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...
Is there an eval() function in Java? [duplicate]
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Object result = engine.eval("4*5");
There may be a better way, but this one works.
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