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Table Header Views in StoryBoards
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This only seems to work if you have at least one prototype cell in the table.
– Accatyyc
Nov 28 '12 at 10:31
4
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Rails find record with zero has_many records associated [duplicate]
...nt to do a LEFT OUTER JOIN and that answer will give you a INNER JOIN. At least in Rails 5 you can use:
scope :without_photos, left_joins(:photos).where( photos: {id: nil} )
or you can use merge in cases where namespacing will make the where clause cumbersome:
scope :without_photos, left_joins(...
Python argparse: Make at least one argument required
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How does this answer the question of "at least one"?
– xaxxon
Jul 22 '19 at 19:44
2
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Symbolic links and synced folders in Vagrant
...he default args, --copy-links, seems to be breaking another, --archive, at least as far as copying broken symlinks is concerned).
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React.js: onChange event for contentEditable
...tual dom stays outdated, and it may not be the most efficient code, but at least it does work :) My bug is resolved
Details:
1) If you put shouldComponentUpdate to avoid caret jumps, then the contenteditable never rerenders (at least on keystrokes)
2) If the component never rerenders on key str...
How to get unique device hardware id in Android? [duplicate]
...on releases of Android prior to 2.2 (“Froyo”). Also, there has been at least one widely-observed bug in a popular handset from a major manufacturer, where every instance has the same ANDROID_ID.
The below solution is not a good one coz the value survives device wipes (“Factory resets”) and ...
How do I enable MSDTC on SQL Server?
...o be a bug where these properties do not stick when set through the UI, at least on clustered Server 2016 nodes. The solution is to set these properties manually in the registry: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSDTC\Security. More info on the properties here.
– Paul
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O(nlogn) Algorithm - Find three evenly spaced ones within binary string
...[CLRS, Ex. 30.1-7] One such pair is (b,b) always (so the coefficient is at least 1), but if there exists any other pair (a,c), then the coefficient is at least 3, from (a,c) and (c,a). For the example above, we have the coefficient of x10 to be 3 precisely because of the AP (2,5,8). (These coefficie...
JavaScript loop through json array?
...fined, undefined, c, undefined
forInArray(ar);
Test with .forEach()
At least in chrome 30 this works as expected
var logAr = function(element, index, array) {
console.log("a[" + index + "] = " + element);
}
ar.forEach(logAr); // returns a[0] = a, a[1] = b, a[4] = c
Links
see for in at t...
jQuery vs document.querySelectorAll
... // or
element.style["background-color"] = "green"
This code would be at least two times as much lines of code you write with jQuery. Also you would have to consider cross-browser issues which will compromise the severe speed advantage (besides from the reliability) of the native code.
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