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Cannot push to Heroku because key fingerprint
... that when using git push. Instead of heroku.com, use the dummy domain you set in your .ssh/config
[remote "heroku"]
url = git@heroku.com.git
[remote "heroku"]
url = git@heroku.my_unique_key:myapp.git
That's it :) A bit complicated and a bit simple at the same time. It has taken me 3 ye...
When to use std::forward to forward arguments?
...t case:
template<typename T>
void foo(T&& prop) {
other.set(prop); // use prop, but don't modify it because we still need it
bar(std::forward<T>(prop)); // final use -> std::forward
}
In the code above, we don't want prop to have some unknown value after other.set(....
Spring Boot application as a Service
... jar has the usual start, stop, restart, and status commands. It will also set up a PID file in the usual /var/run directory and logging in the usual /var/log directory by default.
You just need to symlink your jar into /etc/init.d like so
sudo link -s /var/myapp/myapp.jar /etc/init.d/myapp
OR
...
'AND' vs '&&' as operator
I have a codebase where developers decided to use AND and OR instead of && and || .
10 Answers
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Finding what branch a Git commit came from
Is there a way to find out what branch a commit comes from given its SHA-1 hash value?
14 Answers
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How can I reliably get an object's address when operator& is overloaded?
Consider the following program:
5 Answers
5
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Can an Android Toast be longer than Toast.LENGTH_LONG?
When using setDuration() for a Toast, is it possible to set a custom length or at least something longer than Toast.LENGTH_LONG ?
...
How add context menu item to Windows Explorer for folders [closed]
... immediately. There isn't even need to open a new explorer window: new settings are loaded as soon as you right-click.
– jumpjack
Mar 1 '16 at 18:43
1
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Saving an Object (Data persistence)
...e pickle module in the standard library.
Here's an elementary application of it to your example:
import pickle
class Company(object):
def __init__(self, name, value):
self.name = name
self.value = value
with open('company_data.pkl', 'wb') as output:
company1 = Company('ban...
Add … if string is too long PHP [duplicate]
I have a description field in my MySQL database, and I access the database on two different pages, one page I display the whole field, but on the other, I just want to display the first 50 characters. If the string in the description field is less than 50 characters, then it won't show ... , but if...