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How do I check if a string is valid JSON in Python?
...r than a text string, in the case you're looking for a graphic, is just to test for non-ASCII characters in the first couple of dozen characters of the string (assuming the JSON is ASCII).
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How can I create an Asynchronous function in Javascript?
... your_function();
if (callback) {callback();}
}, 0);
}
TEST 1 (may output '1 x 2 3' or '1 2 x 3' or '1 2 3 x'):
console.log(1);
async(function() {console.log('x')}, null);
console.log(2);
console.log(3);
TEST 2 (will always output 'x 1'):
async(function() {console.log('x');},...
Converting a Java collection into a Scala collection
...n.JavaConversions._
val list = new java.util.ArrayList[String]()
list.add("test")
val set = list.toSet
set is a scala.collection.immutable.Set[String] after this.
Also see Ben James' answer for a more explicit way (using JavaConverters), which seems to be recommended now.
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How to check if a string contains a substring in Bash
...so note that you can reverse the comparison by just switching to != in the test. Thanks for the answer!
– Quinn Taylor
Jul 30 '09 at 17:14
65
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CORS Access-Control-Allow-Headers wildcard being ignored?
...w-Headers does accept wildcards. It's also wrong, wildcard works for me (I tested only with Chrome)
This take me half day to figure out the issue.
Happy coding
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Task vs Thread differences [duplicate]
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@FaizanMubasher unfortunately no, but I have run some tests (with production programs) and I cannot detect any negative effects changing from threads to tasks.
– xfx
Sep 6 '18 at 15:31
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Getting the closest string match
I need a way to compare multiple strings to a test string and return the string that closely resembles it:
12 Answers
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GitHub pages are not updating
... 404. I also added a new file which should live at http://maltz.github.io/test.html , but that also throws a 404.
37 Answe...
Can you attach Amazon EBS to multiple instances?
...achines. Furthermore, even this wouldn't be enough. EBS would need to be tested for this scenario and to ensure that it provides the same consistency guarantees as other shared block device solutions ... ie, that blocks aren't cached at intermediate non-shared levels like the Dom0 kernel, Xen laye...
What is the difference between range and xrange functions in Python 2.X?
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Remember, use the timeit module to test which of small snippets of code is faster!
$ python -m timeit 'for i in range(1000000):' ' pass'
10 loops, best of 3: 90.5 msec per loop
$ python -m timeit 'for i in xrange(1000000):' ' pass'
10 loops, best of 3: 51.1 m...