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Why does parseInt yield NaN with Array#map?
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From the same Mozilla page that you linked to:
callback is invoked with three arguments: the value of the element, the index of the element, and the Array object being traversed."
So if you call a function parseInt which actually expects two arguments, the second argument will be the index ...
Comparing arrays in JUnit assertions, concise built-in way?
...ncise, built-in way to do equals assertions on two like-typed arrays in JUnit? By default (at least in JUnit 4) it seems to do an instance compare on the array object itself.
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Node.js - use of module.exports as a constructor
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CommonJS modules allow two ways to define exported properties. In either case you are returning an Object/Function. Because functions are first class citizens in JavaScript they to can act just like Objects (technically they are Objects). That said your question about using the new keywords ...
Float right and position absolute doesn't work together
I want a div to be always at the right of its parent div, so I use float:right . It works.
5 Answers
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Install Application programmatically on Android
I'm interested in knowing if it is possible to programmatically install a dynamically downloaded apk from a custom Android application.
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Convert string to nullable type (int, double, etc…)
...some data conversion. Unfortunately, much of the data is in strings, where it should be int's or double, etc...
16 Answers...
Thread context switch Vs. process context switch
Could any one tell me what is exactly done in both situations? What is the main cost each of them?
10 Answers
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Javascript - Append HTML to container element without innerHTML
I need a way to append HTML to a container element without using innerHTML. The reason why I do not want to use innerHTML is because when it is use like this:
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Invalid default value for 'create_date' timestamp field
...don't allow '0000-00-00' as a valid date. You can still insert zero dates with the IGNORE option. When not in strict mode, the date is accepted but a warning is generated.
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How to set variables in HIVE scripts
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You need to use the special hiveconf for variable substitution.
e.g.
hive> set CURRENT_DATE='2012-09-16';
hive> select * from foo where day >= ${hiveconf:CURRENT_DATE}
similarly, you could pass on command line:
% hive -hiveconf CURRENT_DATE='2012-09-16' -f test.hql
Not...