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使用 XML 和 Web 服务 · App Inventor 2 中文网
...ng procedures step by step, while checking intermediate results, is a good idea when extracting data from complex XML structures, where there might be many steps and it’s hard to get a procedure correct on the first try.
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Git rebase: conflicts keep blocking progress
...
Here are some ideas:
Before starting the rebase, make sure you aren't in the middle of a rebase or am. Do: rm -rf .git/rebase-apply
if you use Bash, enhance your bash prompt so it always presents this information automatically
One bit ...
#define macro for debug printing in C?
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If you insist on a string literal for the format string (probably a good idea anyway), you can also introduce things like __FILE__, __LINE__ and __func__ into the output, which can improve the diagnostics:
#define debug_print(fmt, ...) \
do { if (DEBUG) fprintf(stderr, "%s:%d:%s(): " fmt,...
How can we match a^n b^n with Java regex?
...small font. ------ Oh wait. Is that a feature?.... Not sure if it's a good idea. I know what the last symbol is, but it can't be read (aside from copy pasting it).
– Peter Ajtai
Sep 4 '10 at 23:54
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Choosing Mobile Web HTML5 Framework [closed]
...ood documentation and support also here is a good article, you'll get some idea which one to choose...
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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
... case, I use:
<% variable ||= "" %>
in my partial.
I don't have idea if that is good but for my is OK
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Combining two Series into a DataFrame in pandas
...ray with more than one element is ambiguous. Use a.any() or a.all()' - any ideas?
– user7289
Aug 6 '13 at 12:11
@user7...
Laravel Eloquent: Ordering results of all()
...e (as opposed to orderBy() which is called on a query object). It is a bad idea to use ::all() at all, let alone sorting it in PHP. Imagine if ::all() returns a collection with a million of objects. It will take too long to fetch it and even more time to sort it in PHP. Of course, you can use ::all(...
Java 8 Distinct by property
... @java_newbie The Predicate instance returned by distinctByKey has no idea of whether it's being used within a parallel stream. It uses CHM in case it is being used in parallel, though this adds overhead in the sequential case as Tagir Valeev noted above.
– Stuart Marks
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Java time-based map/cache with expiring keys [closed]
...hat it does not need external configuration files.
It is generally a good idea to move configuration into a declarative configuration files ( so you don't need to recompile when a new installation requires a different expiry time ), but it is not at all required, you can still configure it programm...