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'is' versus try cast with null check

...ing) { var x = (string) o; } This translates to the following IL: IL_0000: nop IL_0001: ldstr "test" IL_0006: stloc.0 // o IL_0007: ldloc.0 // o IL_0008: isinst System.String IL_000D: ldnull IL_000E: cgt.un IL_0010: stloc.1 IL_0011: ldloc....
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How do I convert this list of dictionaries to a csv file?

... Does not work if first list item does not contain all keys – greg121 Jan 13 '16 at 10:18 61 ...
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How to find the duration of difference between two dates in java?

... Hi first of all thank you so much for your short and nice answer, I am facing one problem on your solution like I have two date 06_12_2017_07_18_02_PM and another one is 06_12_2017_07_13_16_PM, I am getting 286 seconds instead I should g...
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simple HTTP server in Java using only Java SE API

... GET/POST) in Java using just the Java SE API, without writing code to manually parse HTTP requests and manually format HTTP responses? The Java SE API nicely encapsulates the HTTP client functionality in HttpURLConnection, but is there an analog for HTTP server functionality? ...
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Find the most common element in a list

...roups by the item only (via operator.itemgetter). The auxiliary function, called once per grouping during the max computation, receives and internally unpacks a group - a tuple with two items (item, iterable) where the iterable's items are also two-item tuples, (item, original index) [[the items of ...
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How do I get logs/details of ansible-playbook module executions?

...dd the following lines to your ansible configuration file: [defaults] log_path=/path/to/logfile Ansible will look in several places for the config file: ansible.cfg in the current directory where you ran ansible-playbook ~/.ansible.cfg /etc/ansible/ansible.cfg ...
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Getting a better understanding of callback functions in JavaScript

I understand passing in a function to another function as a callback and having it execute, but I'm not understanding the best implementation to do that. I'm looking for a very basic example, like this: ...
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Loading basic HTML in Node.js

... This reads the whole file into memory, and on every request. You should really be streaming the file from disk rather than buffering it. Good quality libraries exist for this kind of thing, such as senchalabs.org/connect and github.com/cloudhead/node-static – Drew Noakes ...
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How to sort a list in Scala by two fields?

... @SachinK: You could implement customOrdering as Ordering[Row] manually or using Ordering.by like this: val customOrdering = Ordering.by((r: Row) => (r.lastName, r.firstName))( Ordering.Tuple2(Ordering.String.reverse, Ordering.String) )` – senia Jun ...
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Simpler way to create dictionary of separate variables?

... rlotun is closer to the initial "spirit" of it since it allows to discover the name. I will could use both your anwser. Or maybe just use my damn hand to type. Some things are just not made to be that automatized... – e-satis Mar 31 '10 at 14...