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Quickly reading very large tables as dataframes
...rom csv/tab-delimited files directly into R. See mnel's answer.
Using read_table in readr (on CRAN from April 2015). This works much like fread above. The readme in the link explains the difference between the two functions (readr currently claims to be "1.5-2x slower" than data.table::fread).
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DISTINCT for only one column
...else it won't work.
This will work with only one registered mail as well.
Happy coding!!!
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C++ lambda with captures as a function pointer
... @KerrekSB put the global variables in a namespace and mark them as thread_local, that's the ftw approach I chose for solving something similar.
– Kjell Hedström
Apr 21 '14 at 15:08
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LINQ Single vs First
...nstructions in the simple case I made. So, while I'm no IL expert, but it appears that customers.Single(predicate) should be more efficient.
– Josh Noe
Jun 11 '13 at 19:06
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How to start a Process as administrator mode in C# [duplicate]
I have a Visual Studio Windows app project. I've added code to download an installer update file. The installer after it has finished downloading would need administrator privileges to run. I have added a manifest file.
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How to capture a list of specific type with mockito
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I had the same issue with testing activity in my Android app. I used ActivityInstrumentationTestCase2 and MockitoAnnotations.initMocks(this); didn't work.
I solved this issue with another class with respectively field. For example:
class CaptorHolder {
@Captor
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URLs: Dash vs. Underscore [closed]
Should it be /about_us or /about-us ?
18 Answers
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Set select option 'selected', by value
... easier way that doesn't require you to go into the options tag:
$("div.id_100 select").val("val2");
Check out the this jQuery method.
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How to use conditional breakpoint in Eclipse?
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Thanks, appreciate it
– user195488
Apr 4 '13 at 0:22
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Is there a DesignMode property in WPF?
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I applied your solution in my application but it doesn't work. I asked it here stackoverflow.com/questions/3987439/…. If you would, please join us and discuss.
– Nam G VU
Oct 21 '10 at 1...