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Opening port 80 EC2 Amazon web services [closed]
...ted Jun 29 '16 at 13:14
Eric Leschinski
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answered May 4 '12 at 19:03
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Swap key with value JSON
...sions:
static objectFlip(obj) {
const ret = {};
Object.keys(obj).forEach(key => {
ret[obj[key]] = key;
});
return ret;
}
Or using Array.reduce() & Object.keys()
static objectFlip(obj) {
return Object.keys(obj).reduce((ret, key) => {
ret[obj[key]] = key;
return ret...
PowerShell equivalent to grep -f
...-file=filename . If you don't know grep , filename is a text file where each line has a regular expression pattern you want to match.
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Is there a way to make a DIV unselectable?
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Not to take anything away from the original answer, which I upvoted, but it is 3+ years old. So I added an answer below (stackoverflow.com/questions/924916/…) with an added setting for touch interface.
– Anne Gunn
Jul 18 '14 at 18:07
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How do I put an 'if clause' in an SQL string?
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For your specific query, you can do:
UPDATE purchaseOrder
SET purchaseOrder_status = 'COMPLETED'
WHERE purchaseOrder_ID = '@purchaseOrder_ID' and
not exists (SELECT *
FROM itemsOrdered WHERE purchaseOrder_ID = '@purchaseOrdered_ID' ...
Omitting all xsi and xsd namespaces when serializing an object in .NET?
...de attribute to serialize derived types, the namespaces will be added to each of these elements, whether you want it or not, because they're necessary for deserialization
– Thomas Levesque
Aug 25 '09 at 8:27
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How can I set the PHP version in PHPStorm?
...ple, but production is running PHP 5.5.
That way PhpStorm will warn you which parts will not work in production, show proper hints during writing code according to the selected version, etc.
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Rename a file using Java
... Only the Path way is working for me, renameTo always returns false. Check either the answer of kr37 or this answer
– andras
Jun 9 '19 at 5:52
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How to convert string into float in JavaScript?
...parseFloat(values[1])
If they're meant to be a single value (like in French, where one-half is written 0,5)
var value = parseFloat("554,20".replace(",", "."));
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improve this answer
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What is Persistence Context?
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A persistence context handles a set of entities which hold data to be persisted in some persistence store (e.g. a database). In particular, the context is aware of the different states an entity can have (e.g. managed, detached) in relation to both the context and the underly...