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Is there a (repeat-last-command) in Emacs?
...at functionality is provided by the repeat.el Emacs Lisp package, which is included with standard Emacs distributions. From repeat.el's documentation:
This package defines a command that
repeats the preceding command,
whatever that was, including its
arguments, whatever they were. This
...
Does delete on a pointer to a subclass call the base class destructor?
...y my class' destructor was not called. The reason was that I had forgot to include definition of that class (#include "class.h"). I only had a declaration like "class A;" and the compiler was happy with it and let me call "delete".
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Sending emails with Javascript
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Not roundabout if you want to include the contents of the textarea in the email. Also a good method to hide your email from spam harvesters.
– Gordon Bell
Nov 7 '08 at 3:49
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Getting pids from ps -ef |grep keyword
...
You can use pgrep as long as you include the -f options. That makes pgrep match keywords in the whole command (including arguments) instead of just the process name.
pgrep -f keyword
From the man page:
-f The pattern is normally only matched ...
Creating a expressjs middleware that accepts parameters
...n the second example a bit more for those not knowing the node that good? (including me). When can you get multiple copies of the same function and when this can cause problems? Thanks.
– Dave
Mar 22 '19 at 20:35
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Parse XML using JavaScript [duplicate]
....async = false;
xmlDoc.loadXML(txt);
}
//The prefix should not be included when you request the xml namespace
//Gets "streetNumber" (note there is no prefix of "sn"
console.log(xmlDoc.getElementsByTagName("streetNumber")[0].childNodes[0].nodeValue);
//Gets Street name
console.log(xmlD...
multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
...choose the number of neurons in the hidden layer based on whether your MLP includes some form of regularization, or early stopping.
The only valid technique for optimizing the number of neurons in the Hidden Layer:
During your model building, test obsessively; testing will reveal the signatures o...
jquery save json data object in cookie
...() to serialize/deserialize your data object, for older browsers (IE<8) include json2.js to get the JSON functionality. This example uses the jQuery cookie plugin
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Testing whether a value is odd or even
... all that extra memory that you'll have to buy. Note that the question did include conversions from other types to number, and clearly the point of what I'm suggesting here is to have a simple one-line function that handles numbers and strings. Of course, as per my own comment this doesn't actually ...
Remove rows with all or some NAs (missing values) in data.frame
...cer for just removing all NA's. complete.cases allows partial selection by including only certain columns of the dataframe:
> final[complete.cases(final[ , 5:6]),]
gene hsap mmul mmus rnor cfam
2 ENSG00000199674 0 2 2 2 2
4 ENSG00000207604 0 NA NA 1 2
6 E...