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How can I format a decimal to always show 2 decimal places?
...ring formatting
Python 3.6 introduced literal string interpolation (also known as f-strings) so now you can write the above even more succinct as:
>>> f'{pi:.2f}'
'3.14'
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How does `is_base_of` work?
...tness anymore. In an ordinary overload resolution scenario, the call would now be ambiguous because normally the return type won't participate in overload resolution. For conversion functions, however, there is a backdoor. If two conversion functions are equally good, then the return type of them de...
Odd behavior when Java converts int to byte?
...resent it as an int (32 bits) you simply copy the 1 to the left 24 times.
Now, one way to read a negative two's complement number is to start with the least significant bit, move left until you find the first 1, then invert every bit afterwards. The resulting number is the positive version of that ...
Long-lasting FB access-token for server to pull FB page info
...n to see that it is set to Expires: Never!
That should do it. You should now have a Facebook Page Access Token that doesn't expire, unless:
You change your Facebook account password
You lose admin access for the target page
You delete or de-authorize your Facebook App
Any of these will cause t...
How to define a two-dimensional array?
...w, h = 8, 5;
Matrix = [[0 for x in range(w)] for y in range(h)]
You can now add items to the list:
Matrix[0][0] = 1
Matrix[6][0] = 3 # error! range...
Matrix[0][6] = 3 # valid
Note that the matrix is "y" address major, in other words, the "y index" comes before the "x index".
print Matrix[0]...
Date only from TextBoxFor()
...
Yes, as now there is the EditorFor helper and MVC2 is finalized, your solution is the way to go
– Kronos
Nov 8 '10 at 15:03
...
Export a stash to another computer
...a remote on computer 2:
git remote add pc1 user@computer1:/path/to/repo
now you can retrieve the remote information using
git fetch pc1
now you can import the commit in the way you want; using git cherry-pick, git rebase or whatever you like...
If you want it to look like you just did git stas...
What does the plus sign do in '+new Date'
...d the automatic type conversion that's implied there through a regression? Now your code just doesn't work! .getTime() will always insure it does.
– tkone
Oct 11 '12 at 2:13
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What is the JavaScript convention for no operation?
...s shown here:
setTimeout(function() {
console.log('Start: ', Date.now());
Function.prototype();
console.log('End : ', Date.now());
}, 1000);
Although this is a "true noop" since most browsers seem to do nothing to execute the noop defined this way (and hence save CPU cyc...
Object initialization syntax
... do it like this:
let p = new Person (Name = "John", BirthDate = DateTime.Now)
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