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jQuery: checking if the value of a field is null (empty)
...options for your user whose <option>s will come from some sort of validation.
– Malcolm Salvador
Aug 1 '17 at 3:18
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anchor jumping by using javascript
...the complicated way:
function jump(h){
var top = document.getElementById(h).offsetTop; //Getting Y of target element
window.scrollTo(0, top); //Go there directly or some transition
}
Demo: http://jsfiddle.net/DerekL/rEpPA/
Another one w/ transition: http://jsfidd...
Unknown Column In Where Clause
... edited Oct 29 '15 at 9:44
idmean
12.4k77 gold badges4343 silver badges7777 bronze badges
answered Sep 30 '08 at 15:41
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One-liner to take some properties from object in ES 6
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Here's something slimmer, although it doesn't avoid repeating the list of fields. It uses "parameter destructuring" to avoid the need for the v parameter.
({id, title}) => ({id, title})
(See a runnable example in this other answer).
@EthanBrown's solution is more gen...
Passing parameters to JavaScript files
...ript type="text/javascript">
MYLIBRARY.init(["somevalue", 1, "controlId"]);
MYLIBRARY.helloWorld();
</script>
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iPhone get SSID without private library
...have a commercial app that has a completely legitimate reason to see the SSID of the network it is connected to: If it is connected to a Adhoc network for a 3rd party hardware device it needs to be functioning in a different manner than if it is connected to the internet.
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MongoDB Many-to-Many Association
...ntain the roles in separate documents then you can include the document's _id in the roles array instead of the name:
{name:"Joe"
,roles:["4b5783300334000000000aa9","5783300334000000000aa943","6c6793300334001000000006"]
}
and set up the roles like:
{_id:"6c6793300334001000000006"
,rolename:"Engi...
Pandas read_csv low_memory and dtype options
...aving to change the dtype of that column when you read the last value.
Consider the example of one file which has a column called user_id.
It contains 10 million rows where the user_id is always numbers.
Since pandas cannot know it is only numbers, it will probably keep it as the original strings un...
Shadow Effect for a Text in Android? [duplicate]
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Perhaps you'd consider using android:shadowColor, android:shadowDx, android:shadowDy, android:shadowRadius; alternatively setShadowLayer() ?
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Regex replace uppercase with lowercase letters
...e, you can just use ?: in the inner groups (i.e. non capture groups) or avoid creating them at all:
Find: ((?:[a-z][A-Z]+)|(?:[A-Z]+[a-z])) OR ([a-z][A-Z]+|[A-Z]+[a-z])
Replace: \L$1
2016-06-23 Edit
Tyler suggested by editing this answer an alternate find expression for #4:
(\B)([A-Z]+)
Acc...