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How do I make JavaScript beep?
...eight="0" id="sound1"
enablejavascript="true">
You would then call it from JavaScript code as such:
PlaySound("sound1");
This should do exactly what you want - you'll just need to find/create the beep sound yourself, which should be trivial.
...
How to remove unwanted space between rows and columns in table?
...
Add this CSS reset to your CSS code: (From here)
/* http://meyerweb.com/eric/tools/css/reset/
v2.0 | 20110126
License: none (public domain)
*/
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, ad...
What is the Scala annotation to ensure a tail recursive function is optimized?
...
From the "Tail calls, @tailrec and trampolines" blog post:
In Scala 2.8, you will also be able to use the new @tailrec annotation to get information about which methods are optimised.
This annotation lets you mark sp...
How to retrieve the first word of the output of a command in bash?
...or example: echo "word1 word2" . I want to put a pipe ( | ) and get word1 from the command.
12 Answers
...
How do you make an array of structs in C?
..... 59 likes ? I didn't see arrays of struct, I only see arrays of variable from struck...
– user3402040
Mar 15 '17 at 23:10
...
Why can't variables be declared in a switch statement?
...se ANOTHER_VAL:
...
break;
}
Note that even though it is now valid from C point of view, it remains invalid from C++ point of view.
Symmetrically, in C++ case the the problem can be easily solved without the {}. Just remove the initializer from variable declaration and the code will become v...
Is it better to reuse a StringBuilder in a loop?
... its intended for.
Secondly the biggest improvment in StringBuilder comes from giving it an initial size to avoid it growing bigger while the loop runs
for (loop condition) {
StringBuilder sb = new StringBuilder(4096);
}
...
What are good uses for Python3's “Function Annotations”
...
I think this is actually great.
Coming from an academic background, I can tell you that annotations have proved themselves invaluable for enabling smart static analyzers for languages like Java. For instance, you could define semantics like state restrictions, thr...
Passport.js - Error: failed to serialize user into session
...in the session, and deserializeUser uses that id to retrieve the user data from a database (for instance). This is to prevent the session storage from containing the actual user data itself.
– robertklep
Nov 13 '14 at 17:22
...
Parse string to date with moment.js
...t the title and question are not quite aligned.
If you want a moment date from a string:
const myMoment = moment(str, 'YYYY-MM-DD')
From moment documentation:
Instead of modifying the native Date.prototype, Moment.js creates a wrapper for the Date object.
If you instead want a javascript...