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Using String Format to show decimal up to 2 places or simple integer
I have got a price field to display which sometimes can be either 100 or 100.99 or 100.9, What I want is to display the price in 2 decimal places only if the decimals are entered for that price , for instance if its 100 so it should only show 100 not 100.00 and if the price is 100.2 it should displa...
What does the explicit keyword mean?
...t way,
void useBuffer(Buffer& buf);
useBuffer(4);
becomes a compile-time error. If you want to pass a temporary Buffer object, you have to do so explicitly:
useBuffer(Buffer(4));
In summary, if your single-parameter constructor converts the parameter into an object of your class, you prob...
Mixin vs inheritance
...r single inheritance are that you can write code for the functionality one time, and then use the same functionality in multiple different classes. The disadvantage is that you may need to look for that functionality in other places than where it is used, so it is good to mitigate that disadvantage ...
“You have mail” message in terminal, os X [closed]
...pon a mail arrival (which is still unread) can trigger You have mail every time you open a new tab in Terminal (which happened to me once). To solve this problem, the file is needed to be removed (ie. sudo rm /var/mail/<your-username>).
– Muntashir Akon
O...
Using Chrome's Element Inspector in Print Preview Mode?
...mbest thing I've seen to come out of google as of yet! Such a waste of my time.
– isapir
Apr 5 '16 at 16:44
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Is there a way to add/remove several classes in one single instruction with classList?
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Firefox doesn't support it either, at the time of writing. My answer provides a polyfill.
– Andy E
Apr 26 '14 at 21:23
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Difference between jQuery’s .hide() and setting CSS to display: none
...ntId').style.display = 'none';
The .hide() function obviously takes more time to run as it checks for callback functions, speed, etc...
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Capturing Groups From a Grep RegEx
...that in this case, I show an example of concatenating a string at the same time that the substring is captured.
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Is Java Regex Thread Safe?
...tform by any compatible VM, you can't be sure those fixes exist in that runtime. Of course most of the time you know which version the server is running, but it's tedious to check every single version.
– TWiStErRob
Sep 3 '16 at 21:03
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What is a loop invariant?
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This is an excellent example. Many times when I've heard an instructor describe the loop invariant, it has simply been 'the loop condition', or something similar. Your example shows that the invariant can be much more.
– Brian S
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