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JavaScript - Getting HTML form values
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HTML:
<input type="text" name="name" id="uniqueID" value="value" />
JS:
var nameValue = document.getElementById("uniqueID").value;
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Initialize parent's protected members with initialization list (C++)
... I can't get it to work. I can work around it, but it would be nice if I didn't have to.
4 Answers
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What is a .pid file and what does it contain?
I recently come across a file with the extension .pid and explored inside it but didn't find much. The documentation says:
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Return all enumerables with yield return at once; without looping through
I have the following function to get validation errors for a card. My question relates to dealing with GetErrors. Both methods have the same return type IEnumerable<ErrorInfo> .
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Android webview launches browser when calling loadurl
... WebViewClient());
For more advanced processing for the web content, consider the ChromeClient.
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Convert string to variable name in JavaScript
...s a global variable then window[variableName]
or in your case window["onlyVideo"] should do the trick.
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SQL - many-to-many table primary key
...er. The surrogate is a waste of space.
You won't need indexes on the individual columns since the table should only ever be used to join the two referenced tables together.
That comment you refer to in the question is not worth the electrons it uses, in my opinion. It sounds like the author thinks...
Getting Checkbox Value in ASP.NET MVC 4
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@Html.EditorFor(x => x.Remember)
Will generate:
<input id="Remember" type="checkbox" value="true" name="Remember" />
<input type="hidden" value="false" name="Remember" />
How does it work:
If checkbox remains unchecked, the form submits only the hidden value (false)
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AngularJS ng-style with a conditional expression
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As @Yoshi said, from angular 1.1.5 you can use-it without any change.
If you use angular < 1.1.5, you can use ng-class.
.largeWidth {
width: 100%;
}
.smallWidth {
width: 0%;
}
// [...]
ng-class="{largeWidth: myVar == 'ok'...
Mongodb Explain for Aggregation framework
...rations
explain:true
db.collection.aggregate([
{ $project : { "Tags._id" : 1 }},
{ $unwind : "$Tags" },
{ $match: {$or: [{"Tags._id":"tag1"},{"Tags._id":"tag2"}]}},
{ $group: {
_id : "$_id",
count: { $sum:1 }
}},
{$sort: {"count":-1}}
],
{
explain:...