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How can I obtain an 'unbalanced' grid of ggplots?
...RonGejman it's easy if you print the 3x2 matrix on screen: first column is all 1s, that's where the first plot lives, spanning the three rows; second column contains plots 2, 3, 4, each occupying one row.
– baptiste
Sep 30 '15 at 18:59
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Best timestamp format for CSV/Excel?
...andard from the Library of Congress. There is no prescribed way to specifically store dates. Also RFC-4180 and CSV-1203 //creativyst.com/Doc/Articles/CSV/CSV01.htm).
– ashleedawg
Sep 19 '18 at 15:44
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How to use wait and notify in Java without IllegalMonitorStateException?
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To be able to call notify() you need to synchronize on the same object.
synchronized (someObject) {
someObject.wait();
}
/* different thread / object */
synchronized (someObject) {
someObject.notify();
}
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Shortest distance between a point and a line segment
...ode, in C++. It presumes a class 2D-vector class vec2 {float x,y;}, essentially, with operators to add, subract, scale, etc, and a distance and dot product function (i.e. x1 x2 + y1 y2).
float minimum_distance(vec2 v, vec2 w, vec2 p) {
// Return minimum distance between line segment vw and point ...
Getting request payload from POST request in Java servlet
...eem to get the contents of the request payload. In chrome Developer Tools, all the content is in the Request Payload section in the headers tab, and the content is there, and I know that the POST is being received by the doPost method, but it just comes up blank.
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C++ include and import difference
...andard C/C++ preprocessor statement, used for including header (or occasionally other source code) files in your source code file.
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Query to count the number of tables I have in MySQL
... Just a note about the use databasename; command. If the database is really big, the command can execute with a long wait time. In that case, login should be done with the option -A, ie: mysql -uroot -p -A, and the command will work fast.
– azurecorn
Jul 21...
Python progression path - From apprentice to guru
...ng the turn to bio-informatics, this language has been at the very core of all the major contributions I have made in the lab. I more or less fell in love with the way Python permits me to express beautiful solutions and also with the semantics of the language that allows such a natural flow from th...
Why is it not advisable to have the database and web server on the same machine?
...dicated network connection between the two, more maintenance, etc.), especially for a small application, where neither piece is using too much CPU or memory? Even with two servers, with one server compromised, an attacker could still do serious damage, either by deleting the database, or messing wi...
Swipe to Delete and the “More” button (like in Mail app on iOS 7)
...entation says tableView:commitEditingStyle:forRowAtIndexPath is:
"Not called for edit actions using UITableViewRowAction - the action's handler will be invoked instead."
However, the swiping doesn't work without it. Even if the method stub is blank, it still needs it, for now. This is most obv...