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Count rows with not empty value
...rows of a given area that have a value? All hints about this I found up to now lead to formulas that do count the rows which have a not empty content (including formula), but a cell with
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How to fix homebrew permissions?
I have uninstalled and installed Homebrew 3 times now because it seems to never allow me to install anything as it denies me permissions at the end of most installations.
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How to manage startActivityForResult on Android?
...w Intent();
setResult(Activity.RESULT_CANCELED, returnIntent);
finish();
Now in your FirstActivity class write following code for the onActivityResult() method.
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, result...
snprintf and Visual Studio 2010
...es the C99 support brief for MSVC 2013. As snprintf() family functions are now a part of C++11 standard, MSVC lags behind clang and gcc in C++11 implementation!
– fnisi
Jun 3 '14 at 23:24
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Are +0 and -0 the same?
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But don't you find that +0 === -0 a little weird. Because now we have 1 === 1 and +0 === -0 but 1/+0 !== 1/-0...
– Randomblue
Aug 28 '11 at 19:48
2
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What does a colon following a C++ constructor name do? [duplicate]
...constructed; if they have default constructors, those were already called. Now, if you assign a value to them in the body of the constructor, you are calling the copy assignment operator, which may mean releasing and reacquiring resources (e.g. memory) if the object has any.
So in the case of prim...
How to draw polygons on an HTML5 canvas?
I need to know how to draw polygons on a canvas. Without using jQuery or anything like that.
9 Answers
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Git, rewrite previous commit usernames and emails
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I ran this command and now my repo won't push to or pull from the git server.
– Jesus H
Mar 30 '18 at 14:14
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NodeJS: How to get the server's port?
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Express 4.x answer:
Express 4.x (per Tien Do's answer below), now treats app.listen() as an asynchronous operation, so listener.address() will only return data inside of app.listen()'s callback:
var app = require('express')();
var listener = app.listen(8888, function(){
console.lo...
Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
...are based on the same underlying principle: in general, you simply cannot know what the current directory is, when your code is run. Which means that, when you require a file and depend on it being in the current directory, you have no way of controlling whether that file will even be there, or whet...