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Get names of all keys in the collection
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352
You could do this with MapReduce:
mr = db.runCommand({
"mapreduce" : "my_collection",
"ma...
Application Loader: “Cannot proceed with delivery: an existing transporter instance is currently upl
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edited Sep 17 at 3:33
johndpope
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Why does Convert.ToString(null) return a different value if you cast null?
...lly hairy details of how this tie breaking works is covered in section 7.4.3 of the C# language spec.
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Swift alert view with OK and Cancel: which button tapped?
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306
If you are using iOS8, you should be using UIAlertController — UIAlertView is deprecated.
H...
Is there a Newline constant defined in Java like Environment.Newline in C#?
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3 Answers
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renamed heroku app from website, now it's not found
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366
Try to update the git remote for the app:
git remote rm heroku
git remote add heroku git@hero...
How can I change the version of npm using nvm?
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13 Answers
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How to get JSON from webpage into Python script
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323
Get data from the URL and then call json.loads e.g.
Python3 example:
import urllib.request, ...
How can mixed data types (int, float, char, etc) be stored in an array?
... element, you would do:
my_array[0].type = is_int;
my_array[0].val.ival = 3;
When you want to access an element of the array, you must first check the type, then use the corresponding member of the union. A switch statement is useful:
switch (my_array[n].type) {
case is_int:
// Do stuff for ...