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Setting a timeout for socket operations
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Use the Socket() constructor, and connect(SocketAddress endpoint, int timeout) method instead.
In your case it would look something like:
Socket socket = new Socket();
socket.connect(new InetSocketAddress(ipAddress, port), 1000);
Quoting from the documentation
connect
public...
Using Excel OleDb to get sheet names IN SHEET ORDER
...ced through the comments that there are a lot of concerns about using the Interop classes to retrieve the sheet names. Therefore here is an example using OLEDB to retrieve them:
/// <summary>
/// This method retrieves the excel sheet names from
/// an excel workbook.
/// </summary>
//...
jquery loop on Json data using $.each
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Have you converted your data from string to JavaScript object?
You can do it with data = eval('(' + string_data + ')'); or, which is safer, data = JSON.parse(string_data); but later will only works in FF 3.5 or if you include json2....
Why use pip over easy_install? [closed]
...ents file and then installing it with a single command on each side. Or to convert your requirements file to a local repo to use for in-house development. And so on.
The only good reason that I know of to use easy_install in 2015 is the special case of using Apple's pre-installed Python versions w...
detach all packages while working in R
...ming the R window.
(edit: 9/20/2019) In version 3.6.1
It may be helpful to convert loaded only names(sessionInfo()$loadedOnly) to explicitly attached packages first, and then detach the packages, as so.
lapply(names(sessionInfo()$loadedOnly), require, character.only = TRUE)
invisible(lapply(paste0('...
How to join (merge) data frames (inner, outer, left, right)
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Why do you need to convert CustomerId to numeric? I don't see any mentioning in documentation (for both plyr and dplyr) about this type of restriction. Would your code work incorrectly, if the merge column would be of character type (especially...
deleting rows in numpy array
... [ 0.78008333, 0.5938125, 0.481, 0.39883333, 0.]])
>>> print arr[arr.all(1)]
array([[ 0.96488889, 0.73641667, 0.67521429, 0.592875 , 0.53172222]])
By the way, this method is much, much faster than the masked array method for large matrices. For a 2048 x 5 matrix, this method...
Explanation of JSONB introduced by PostgreSQL
...o a json column postgres doesn't have to actually run the functionality to convert the text to json on every row which will likely save a vast amount of time alone.
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Is there a way to make ellipsize=“marquee” always scroll?
...iew all focused.
@Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
if(focused)
super.onFocusChanged(focused, direction, previouslyFocusedRect);
}
@Override
public void onWindowFocusChanged(boolean focused) {
if(focused)
su...
Can't specify the 'async' modifier on the 'Main' method of a console app
...onous console programs in particular. Here's some background info from the intro post:
If "await" sees that the awaitable has not completed, then it acts asynchronously. It tells the awaitable to run the remainder of the method when it completes, and then returns from the async method. Await will a...