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Converting a string to JSON object
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You can use the JSON.parse() for that.
See docs at MDN
Example:
var myObj = JSON.parse('{"p": 5}');
console.log(myObj);
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how to access iFrame parent page using jquery?
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$('#parentPrice', window.parent.document).html();
The second parameter for the $() wrapper is the context in which to search. This defaults to document.
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:not(:empty) CSS selector is not working?
...ribute in HTML markup. Then you can use :valid and :invalid in CSS to test for nonempty vs. empty value of the control. See stackoverflow.com/questions/16952526/…
– Jukka K. Korpela
Jun 6 '13 at 8:08
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How can I pass parameters to a partial view in mvc 4
...if you were to call:
@Html.Partial("_SomePartial", Model)
Now, in order for your partial to actually be able to use this, though, it too needs to have a defined model, for example:
@model Namespace.To.Your.Model
@Html.Action("MemberProfile", "Member", new { id = Model.Id })
Alternatively, if ...
Android: Want to set custom fonts for whole application not runtime
...ion? And not necessarily runtime ? (i.e. from xml if possible or only once for whole application in JAVA file)
11 Answers
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Select rows which are not present in other table
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There are basically 4 techniques for this task, all of them standard SQL.
NOT EXISTS
Often fastest in Postgres.
SELECT ip
FROM login_log l
WHERE NOT EXISTS (
SELECT -- SELECT list mostly irrelevant; can just be empty in Postgres
FROM ip_lo...
Coalesce function for PHP?
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Does not work as expected for arrays. For example when trying to check if an undefined array element is falsey will result in an error. $input['properties']['range_low'] ?: '?'
– Keyo
Jul 12 '11 at 23:28
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How do I pass multiple parameters into a function in PowerShell?
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Powershell is a shell language and it's common for shell languages to use spaces as a token separator. I wouldn't say Powershell is being different here, it's right in line with other system default shells like cmd, sh, bash, etc.
– Bender the Greate...
Objective-C Static Class Level variables
...Can this be done in Objective-C? I've found it very hard to find an answer for this.
9 Answers
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How do you test a public/private DSA keypair?
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I found a way that seems to work better for me:
ssh-keygen -y -f <private key file>
That command will output the public key for the given private key, so then just compare the output to each *.pub file.
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