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How to escape @ characters in Subversion managed file names?
...ing copy paths or URLs that actually have at signs in them. After all, how does svn know whether news@11 is the name of a directory in my tree or just a syntax for “revision 11 of news”? Thankfully, while svn will always assume the latter, there is a trivial workaround. You need only append an a...
Android Calling JavaScript functions in WebView
...running inside an android webview . Pretty simple what the code tries to do below - from the android app, call a javascript function with a test message, which inturn calls a java function back in the android app that displays test message via toast.
...
How to display all methods of an object?
...function (p) {
return typeof Math[p] === 'function';
}));
//-> ["random", "abs", "acos", "asin", "atan", "ceil", "cos", "exp", ...etc ]
In ES3 browsers (IE 8 and lower), the properties of built-in objects aren't enumerable. Objects like window and document aren't built-in, they're define...
Add new row to dataframe, at specific row-index, not appended?
..., ]) 801.161 831.7730 854.6320 881.6560 10641.417
Benchmarks
As @MatthewDowle always points out to me, benchmarks need to be examined for the scaling as the size of the problem increases. Here we go then:
benchmarkInsertionSolutions <- function(nrow=5,ncol=4) {
existingDF <- as.data.fra...
Clone() vs Copy constructor- which is recommended in java [duplicate]
...
Clone is broken, so dont use it.
THE CLONE METHOD of the Object class
is a somewhat magical method that does
what no pure Java method could ever
do: It produces an identical copy of
its object. It has been present in the
primordial...
Visual Studio 64 bit?
...
this can happen in some large solutions but I think a preferable thing
to do is to just use less memory in the first place. Many of VS’s
algorithms are amenable to this. Here’s an old article that discusses
the performance issues at some length:
https://docs.microsoft.com/archive/blogs/joshwi...
Appending a vector to a vector [duplicate]
...
Do I need to reserve before insert?
– Violet Giraffe
Aug 14 '13 at 6:50
7
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How can mixed data types (int, float, char, etc) be stored in an array?
I want to store mixed data types in an array. How could one do that?
6 Answers
6
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Querying data by joining two tables in two database on different servers
...erent servers, I need to join them so as to make few queries. What options do I have? What should I do?
11 Answers
...
Are Exceptions in C++ really slow
...e when no exceptions occur
it costs around 10x/20x an if when an exception does occur
The cost, however, is not trivial to measure:
The side-table is generally cold, and thus fetching it from memory takes a long time
Determining the right handler involves RTTI: many RTTI descriptors to fetch, sc...