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Insert into a MySQL table or update if exists
...ncrement keys and other unique key collisions than REPLACE INTO, and it is more efficient.
– Andrew Ensley
May 11 '12 at 21:27
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What goes into the “Controller” in “MVC”?
...n make a separate request, "give me the most recent data set", and thus be more pure, or the controller implicitly returns the new data set with the "delete" operation.
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Difference between variable declaration syntaxes in Javascript (including global variables)?
...sually big ones.
There's a fourth way, and as of ES2015 (ES6) there's two more. I've added the fourth way at the end, but inserted the ES2015 ways after #1 (you'll see why), so we have:
var a = 0; // 1
let a = 0; // 1.1 (new with ES2015)
const a = 0; // 1.2 (new with ES2015)
a = 0; ...
Android device chooser - My device seems offline
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performing HTTP requests with cURL (using PROXY)
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onchange event on input type=range is not triggering in firefox while dragging
...)" onchange="showVal(this.value)">
Check out this Bugzilla thread for more information.
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Calling parent class __init__ with multiple inheritance, what's the right way?
... See http://rhettinger.wordpress.com/2011/05/26/super-considered-super for more detail on what can be done with super.
[Response question as later edited]
So it seems that unless I know/control the init's of the classes I
inherit from (A and B) I cannot make a safe choice for the class I'm
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is it possible to evenly distribute buttons across the width of an android linearlayout
...nt solution. You may prefer to use the Space view type. Makes things a bit more readable.
– Ryan R
Jul 30 '14 at 15:19
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How to check if element exists using a lambda expression?
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While the accepted answer is correct, I'll add a more elegant version (in my opinion):
boolean idExists = tabPane.getTabs().stream()
.map(Tab::getId)
.anyMatch(idToCheck::equals);
Don't neglect using Stream#map() which allows to flatten the data structure before ...
ReactJS state vs prop
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Your second approach is more like it. React doesn't care about models so much as it cares about values and how they flow through your app. Ideally, your post model would be stored in a single component at the root. You then create child components t...