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Stop the 'Ding' when pressing Enter
I have a very simple Windows Forms Application. And, in Windows (or, atleast Windows Forms Applications), when you press Enter while inside a Single-line TextBox Control, you hear a Ding. It's an unpleasent sound, that indicated you cannot enter a newline, because it is a single-line TextBox.
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PostgreSQL error: Fatal: role “username” does not exist
...en done with operating as system user postgres.
Or execute the single command createuser as postgres with sudo, like demonstrated by drees in another answer.
The point is to use the operating system user matching the database role of the same name to be granted access via ident authentication. pos...
Check time difference in Javascript
...objects to get their difference:
// use a constant date (e.g. 2000-01-01) and the desired time to initialize two dates
var date1 = new Date(2000, 0, 1, 9, 0); // 9:00 AM
var date2 = new Date(2000, 0, 1, 17, 0); // 5:00 PM
// the following is to handle cases where the times are on the opposite si...
How to randomly sort (scramble) an array in Ruby?
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And if you want to implement it yourself: en.wikipedia.org/wiki/Fisher-Yates_shuffle
– Joey
Nov 29 '09 at 18:52
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Formatting a number with exactly two decimals in JavaScript
...cation (ECMA402). It has pretty good browser support, including even IE11, and it is fully supported in Node.js.
const formatter = new Intl.NumberFormat('en-US', {
minimumFractionDigits: 2,
maximumFractionDigits: 2,
});
console.log(formatter.format(2.005)); // "2.01"
console.log(for...
How to find serial number of Android device?
I need to use a unique ID for an Android app and I thought the serial number for the device would be a good candidate. How do I retrieve the serial number of an Android device in my app ?
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What are all possible pos tags of NLTK?
... curious: what is so mysterious about this? I have never really used NLTK, and finding that answer took me five minutes of googling and searching... Is it really that hidden?
– phipsgabler
Jun 23 '15 at 16:47
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how to use ng-option to set default value of select element
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ng-option directive is somewhat complicated and confusing on its syntax. I think the flexibility to bind objects has made it a bit complicated. The way I try to remember this is that whenever I am using an object, I explicitly indicate what properties to use for the va...
List of tables, db schema, dump etc using the Python sqlite3 API
... can't find a way to get the equivalents of sqlite's interactive shell commands:
11 Answers
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Check if a number has a decimal place/is a whole number
... answered Feb 20 '10 at 22:50
Andy EAndy E
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