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How to convert vector to array
How do I convert a std::vector<double> to a double array[] ?
10 Answers
10
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Return empty cell from formula in Excel
I need to return an empty cell from an Excel formula, but it appears that Excel treats an empty string or a reference to an empty cell differently than a true empty cell. So essentially I need something like
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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
I have just started to look at the Scala collections library re-implementation which is coming in the imminent 2.8 release. Those familiar with the library from 2.7 will notice that the library, from a usage perspective, has changed little. For example...
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How to disable HTML links
I have a link button inside a <td> which I have to disable. This works on IE but not working in Firefox and Chrome.
Structure is - Link inside a <td> . I cannot add any container in the <td> (like div/span)
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Run R script from command line
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If you want the output to print to the terminal it is best to use Rscript
Rscript a.R
Note that when using R CMD BATCH a.R that instead of redirecting output to standard out and displaying on the terminal a new file called a.Rout will be created...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...ils 4.1, from scratch and I am facing a strange problem that I am not able to solve.
15 Answers
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How to convert enum value to int?
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You'd need to make the enum expose value somehow, e.g.
public enum Tax {
NONE(0), SALES(10), IMPORT(5);
private final int value;
private Tax(int value) {
this.value = value;
}
public int getValue() {
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Is passing 'this' in a method call accepted practice in java
Is it good/bad/acceptable practice to pass the current object in a method call. As in:
10 Answers
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Creating email templates with Django
I want to send HTML-emails, using Django templates like this:
12 Answers
12
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How to use PyCharm to debug Scrapy projects
...y 0.20 with Python 2.7. I found PyCharm has a good Python debugger. I want to test my Scrapy spiders using it. Anyone knows how to do that please?
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