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How can I get the count of milliseconds since midnight for the current?

... current time as a number of milliseconds (not count from epoch). Instant.now() // Get current moment in UTC, then… .get( ChronoField.MILLI_OF_SECOND ) // interrogate a `TemporalField`. 2017-04-25T03:01:14.113Z → 113 Get the fractional second in nan...
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Do declared properties require a corresponding instance variable?

...e Modern Objective-C Runtime (that's either iOS 3.x or greater, or 64-bit Snow Leopard or greater) then you do not need to define ivars for your properties in cases like this. When you @synthesize the property, the ivar will in effect be synthesized also for you. This gets around the "fragile-ivar"...
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?

...think of is nested if's: if (cond1) if (cond2) doSomething(); Now, assume you now want to doSomethingElse() when cond1 is not met (new feature). So: if (cond1) if (cond2) doSomething(); else doSomethingElse(); which is obviously wrong, since the else associates with the ...
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Windows batch: formatted date into variable

... JScript comment ******/ import System; import System.IO; var dt=DateTime.Now; Console.WriteLine(dt.ToString("yyyy-MM-dd hh:mm:ss")); Logman This cannot get the year and day of the week. It's comparatively slow, also creates a temp file and is based on the time stamps that logman puts on its log f...
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How do you set a default value for a MySQL Datetime column?

... IMPORTANT EDIT: It is now possible to achieve this with DATETIME fields since MySQL 5.6.5, take a look at the other post below... Previous versions can't do that with DATETIME... But you can do it with TIMESTAMP: mysql> create table test (st...
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Schema for a multilanguage database

.... If you do that from the app this will probably not be a problem. Let me know what you think - I am also about to make a decision on this for our next application. So far we have used your 3rd type. share | ...
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Draw line in UIView

...extAddLineToPoint(context, 20.0f, 20.0f); //draw to this point // and now draw the Path! CGContextStrokePath(context); } share | improve this answer | follow ...
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iOS start Background Thread

... cool! didn't know this. Does this apply to [NSThread detachNewThreadSelector:@selector.... also? – Srikar Appalaraju Aug 14 '11 at 7:25 ...
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Add new field to every document in a MongoDB collection

... Pymongo 3.9+ update() is now deprecated and you should use replace_one(), update_one(), or update_many() instead. In my case I used update_many() and it solved my issue: db.your_collection.update_many({}, {"$set": {"new_field": "value"}}, upsert=Fa...
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Notification click: activity already open

...es on top of it will be closed and this Intent will be delivered to the (now on top) old activity as a new Intent. For example, consider a task consisting of the activities: A, B, C, D. If D calls startActivity() with an Intent that resolves to the component of activity B, then C and D...