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Relative imports in Python 3
... imports work intuitively. I just want to be able to import things that I know are in the same directory. I wonder what his reasoning was
– YungGun
Sep 12 '19 at 3:46
14
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Scanner vs. StringTokenizer vs. String.Split
I just learned about Java's Scanner class and now I'm wondering how it compares/competes with the StringTokenizer and String.Split. I know that the StringTokenizer and String.Split only work on Strings, so why would I want to use the Scanner for a String? Is Scanner just intended to be one-stop-shop...
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...ect to it, but it couldn't connect you to the database because it doesn't know that that database is up. There are two reasons for this:
the database has not been started up,
the database has not registered with the listener, e.g. because the database was started before the listener. (When the d...
Getting the name of the currently executing method
...at a lot of work has gone into making HotSpot very reliable. You need to know, though, in case you want your code to not rely on the behavior of a specific JVM.
– Thorbjørn Ravn Andersen
Apr 15 '13 at 8:53
...
How do I sort a vector of pairs based on the second element of the pair?
... c++14, the best solution is very easy to write thanks to lambdas that can now have parameters of type auto. This is my current favorite solution
std::sort(v.begin(), v.end(), [](auto &left, auto &right) {
return left.second < right.second;
});
Just use a custom comparator (it's ...
Retrieve the position (X,Y) of an HTML element relative to the browser window
I want to know how to get the X and Y position of HTML elements such as img and div in JavaScript relative to the browser window.
...
multi-step registration process issues in asp.net mvc (split viewmodels, single model)
... {
return View(model);
}
return View("Step2", model);
}
Now inside the step 2 view you could use the Html.Serialize helper from MVC futures in order to serialize step 1 into a hidden field inside the form (sort of a ViewState if you wish):
@using (Html.BeginForm("Step2", "Wizard"...
How does one reorder columns in a data frame?
... @user4050: you can also use df[,c(1,3,2,4:ncol(df))] when you don't know how many columns there are.
– arekolek
Mar 15 '16 at 14:28
1
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How to determine the first and last iteration in a foreach loop?
... if I had to implement such a thing, I'd stick with the Rok Kralj's answer now on.
– shadyyx
May 15 '13 at 14:27
...
Unicode character in PHP string
...
@Gumbo: I know that but it doesn't make any difference in here. Javascript as well as JSON support the \uxxxx Unicode syntax so you can use json_decode to work on an artifically created JSON string representation. I changed the wording ...