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Command line to remove an environment variable from the OS level configuration
...above won't affect any existing processes (and some new processes that are forked from existing processes), so if it's important for the change to take effect immediately, the easiest and surest thing to do is log out and back in or reboot. If this isn't an option or you want to dig deeper, some of ...
Pointer to class data member “::*”
...use them in my own code.
Edit: I can't think off-hand of a convincing use for pointers to member data. Pointer to member functions can be used in pluggable architectures, but once again producing an example in a small space defeats me. The following is my best (untested) try - an Apply function th...
Can I redirect the stdout in python into some sort of string buffer?
...
I think there is no need to add try/finally block for this solution.
– snr
Jul 16 '18 at 14:50
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How to determine the encoding of text?
...possible.
(From chardet FAQ:)
However, some encodings are optimized
for specific languages, and languages
are not random. Some character
sequences pop up all the time, while
other sequences make no sense. A
person fluent in English who opens a
newspaper and finds “txzqJv 2!dasd0a
...
Using SASS with ASP.NET [closed]
...
For a better working experience in Visual Studio, you could install the last version of Web Essential which is starting to support Sass (SCSS syntax). Alternatively you could install Sassy Studio or Web Workbench.
Then to co...
What is the purpose of the var keyword and when should I use it (or omit it)?
...in the global scope then there's not much difference. Read Kangax's answer for explanation
If you're in a function then var will create a local variable, "no var" will look up the scope chain until it finds the variable or hits the global scope (at which point it will create it):
// These are both...
ASP.NET MVC Razor pass model to layout
...ayout page. The reason I don't like typing the layout page is that it will force you to always inherit a "base" viewmodel in all you specific view models. In my experience this usually isn't a very good idea and a lot of the time you will have issues when it's to late to change the design (or it wil...
How to append something to an array?
...tiple values to the array
arr.push("Salut", "Hey");
// display all values
for (var i = 0; i < arr.length; i++) {
console.log(arr[i]);
}
Update
If you want to add the items of one array to another array, you can use firstArray.concat(secondArray):
var arr = [
"apple",
"banana",
...
Parse large JSON file in Nodejs
I have a file which stores many JavaScript objects in JSON form and I need to read the file, create each of the objects, and do something with them (insert them into a db in my case). The JavaScript objects can be represented a format:
...
How to write a multidimensional array to a text file?
... numpy.save. Pickling it will work fine, as well, but it's less efficient for large arrays (which yours isn't, so either is perfectly fine).
If you want it to be human readable, look into numpy.savetxt.
Edit: So, it seems like savetxt isn't quite as great an option for arrays with >2 dimensions...