大约有 30,000 项符合查询结果(耗时:0.0253秒) [XML]

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Expand Python Search Path to Other Source

...ample: PYTHONPATH=$PYTHONPATH:$HOME/adaifotis/project In addition to testing your PYTHONPATH environment variable, as David explains, you can test it in python like this: $ python >>> import project # should work if PYTHONPATH set >>> import sys >>...
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SQLAlchemy: print the actual query

... the second half of the answer has been updated with the latest information. – zzzeek Jul 30 '14 at 20:11 2 ...
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Why 0 is true but false is 1 in the shell?

...convention saying 0 means success, and other values mean some error. With test, [ ] or [[ ]] operators, bash conditions evaluate as true in case of an exit code of 0 (the result of /bin/true). Otherwise they evaluate as false. Strings are evaluated differently than exit codes: if [ 0 ] ; then ech...
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Calling a function within a Class method?

... Try this one: class test { public function newTest(){ $this->bigTest(); $this->smallTest(); } private function bigTest(){ //Big Test Here } private function smallTest(){ //...
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Python JSON serialize a Decimal object

...plejson.dumps(decimal.Decimal('2.2')) also works: no explicit use_decimal (tested on simplejson/3.6.0). Another way to load it back is: json.loads(s, parse_float=Decimal) i.e., you can read it using stdlib json (and old simplejson versions are also supported). – jfs ...
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Performance of Find() vs. FirstOrDefault() [duplicate]

...entations which makes sense. Other than that they are basically the same (testing the passed in predicate to see if an item is what you want) share | improve this answer | f...
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No generic implementation of OrderedDictionary?

...Entry; } } } } And no implementation would be complete without a few tests (but tragically, SO won't let me post that much code in one post), so I'll have to leave you to write your tests. But, I left a few of them in so that you could get an idea of how it works: // http://unlicense.org usi...
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Elegant ways to support equivalence (“equality”) in Python classes

...t copies sitting around, then it's usually good add an initial an identity test if other is self. This avoids the more lengthy dictionary comparison, and can be a huge savings when objects are used as dictionary keys. – Dane White Dec 3 '13 at 0:18 ...
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?

... design that relied on _id uniqueness across collections. One can easily test this in the mongo shell: MongoDB shell version: 1.6.5 connecting to: test > db.foo.insert({_id: 'abc'}) > db.bar.insert({_id: 'abc'}) > db.foo.find({_id: 'abc'}) { "_id" : "abc" } > db.bar.find({_id: 'abc'})...
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What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?

... Sleeping is useful to me for testing purposes. I can simulate some network delays to make sure that my app responds properly. Currently I'm testing against a local web server, so everything is essentially instantaneous. – brantonb ...