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How to disable scrolling temporarily?
...ssociated with scrolling.
[Working demo]
// left: 37, up: 38, right: 39, down: 40,
// spacebar: 32, pageup: 33, pagedown: 34, end: 35, home: 36
var keys = {37: 1, 38: 1, 39: 1, 40: 1};
function preventDefault(e) {
e.preventDefault();
}
function preventDefaultForScrollKeys(e) {
if (keys[e.key...
Scala 2.8 breakOut
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How are Python's Built In Dictionaries Implemented?
...TW, the dict will be resized if it is two-thirds full. This avoids slowing down lookups. (see dictobject.h:64-65)
NOTE: I did the research on Python Dict implementation in response to my own question about how multiple entries in a dict can have same hash values. I posted a slightly edited version...
Parse DateTime string in JavaScript
...tes, while MomentJS is 12.4kb gzipped. Convenient for developers but slows down the website. Doesn't worth.
– Raptor
Dec 10 '15 at 9:29
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When to use wrapper class and primitive type
...ncorrectly, which is much more programmer-friendly than some arbitrary bug down the line.
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method of iterating over sqlalchemy model's defined columns?
...bj.__mapper__.column_attrs.keys(). See the documentation for other views.
https://docs.sqlalchemy.org/en/latest/orm/mapping_api.html#sqlalchemy.orm.mapper.Mapper.attrs
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How do I trigger the success callback on a model.save()?
...ration system. If the answer is no longer relevant or appropriate vote it down and write a new one. The moderation tools are for fixing grammar, formatting, spelling and capitalisation - not for adjusting the answers of other users.
– reach4thelasers
Jun 9 '1...
WebKit issues with event.layerX and event.layerY
... Good link! I modified the perf test. The use of a regex seemed to slow down some of the tests? Unless I broke something, using === or !== on all tests seems to make while + delete the best option. jsperf.com/removing-event-props/3
– Adam A
Oct 24 '11 at 9...
html onchange event not working
...){
alert('Input changed');
});
JSFiddle with static/dynamic example: https://jsfiddle.net/op0zqrgy/7/
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how to check and set max_allowed_packet mysql variable [duplicate]
...ual,
The value should be a multiple of 1024; nonmultiples are rounded down to the nearest multiple.
That should hopefully set the max_allowed_packet size large enough to handle your query. I haven't tried this on a shared host, so the same caveat as @Glebushka applies.
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