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How do I delete rows in a data frame?
... may change in the future. A general principle of a data.frame or database tables is that the order of the rows should not matter. If the order does matter, this should be encoded in an actual variable in the data.frame.
For example, imagine you imported a dataset and deleted rows by numeric posi...
How do you read from stdin?
I'm trying to do some of the code golf challenges, but they all require the input to be taken from stdin . How do I get that in Python?
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How to check if element is visible after scrolling?
.../span>
<div class='box'></div>
View browsers support table (not supported in IE/Safari)
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How to get a list of current open windows/process with Java?
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but it is not showing the jar name. My executable jar name is helloDemo.jar. but it is not showing anything for it
– Sumon Bappi
May 2 '15 at 10:57
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Response.Redirect to new window
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Dude, this is fantastic solution that actually works! Thank you.
– Klaus Nji
Nov 14 '14 at 21:31
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Fastest method to replace all instances of a character in a string [duplicate]
What is the fastest way to replace all instances of a string/character in a string in JavaScript? A while , a for -loop, a regular expression?
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The Guava library: What are its most useful and/or hidden features? [closed]
...aps.index: these methods take an Iterable and a Function and build an ImmutableMap or ImmutableListMultimap that indexes the values in the Iterable by the result of applying the function to each. So with a function that retrieves the ID of an item, you can index a list of items by their ID in one l...
An error occurred while validating. HRESULT = '8000000A'
...t item.
We've run into this as well, and had a very unsatisfying support call on this issue with Microsoft. Long story short: it's a known issue, it won't be solved, and Microsoft advises to move away from Visual Studio Setup projects (.vdproj).
We've worked around this issue by triggering the MSI...
Example for boost shared_mutex (multiple reads/one write)?
I have a multithreaded app that has to read some data often, and occasionally that data is updated. Right now a mutex keeps access to that data safe, but it's expensive because I would like multiple threads to be able to read simultaneously, and only lock them out when an update is needed (the updat...
Implementing MVC with Windows Forms
...s of usages of data binding / no usages of data binding
Most data being “table like” (e.g. invoices) that work well in standard grid controls / need custom controls for most of the UI data.
One developer / teams of 10 or 20 developers (just on the UI)
Lots of unit test using mocks etc / no unit ...