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Linq style “For Each” [duplicate]

... Calling ToList followed by ForEach involves iterating through the original collection twice. I'd prefer a standard foreach loop any day: less typing, more readable and better performance: foreach (var x in someValues) list.Add...
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Adding two Java 8 streams, or an extra element to a stream

...ream.concat(lhs, Stream.of(rhs)); } With these two static methods (optionally in combination with static imports), the two examples could be written as follows: Stream<Foo> stream = concat(stream1, concat(stream2, element)); Stream<Foo> stream = concat( conca...
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Generic method multiple (OR) type constraint

Reading this , I learned it was possible to allow a method to accept parameters of multiple types by making it a generic method. In the example, the following code is used with a type constraint to ensure "U" is an IEnumerable<T> . ...
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IOException: read failed, socket might closed - Bluetooth on Android 4.3

... I have finally found a workaround. The magic is hidden under the hood of the BluetoothDevice class (see https://github.com/android/platform_frameworks_base/blob/android-4.3_r2/core/java/android/bluetooth/BluetoothDevice.java#L1037). N...
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How do I move a table into a schema in T-SQL

...A TargetSchema TRANSFER SourceSchema.TableName; If you want to move all tables into a new schema, you can use the undocumented (and to be deprecated at some point, but unlikely!) sp_MSforeachtable stored procedure: exec sp_MSforeachtable "ALTER SCHEMA TargetSchema TRANSFER ?" Ref.: ALTER S...
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Do you need text/javascript specified in your tags?

...tribute is optional. Since Netscape 2, the default programming language in all browsers has been JavaScript. In XHTML, this attribute is required and unnecessary. In HTML, it is better to leave it out. The browser knows what to do. ...
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Like Operator in Entity Framework?

...attern in a specified expression, or zeros if the pattern is not found, on all valid text and character data types Namespace: System.Data.Objects.SqlClient Assembly: System.Data.Entity (in System.Data.Entity.dll) A bit of an explanation also appears in this forum thread. ...
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Retain cycle on `self` with blocks

...nswered Dec 4 '10 at 8:14 Lily BallardLily Ballard 164k2525 gold badges355355 silver badges331331 bronze badges ...
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Calling closure assigned to object property directly

...sn't work on a StdClass. Before PHP7, you'd have to implement the magic __call method to intercept the call and invoke the callback (which is not possible for StdClass of course, because you cannot add the __call method) class Foo { public function __call($method, $args) { if(is_...
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Converting a UNIX Timestamp to Formatted Date String

...es is via the native DateTime class. To get the current time you can just call $currentTime = new DateTime(); To create a DateTime object from a specific timestamp (i.e. not now) $currentTime = DateTime::createFromFormat( 'U', $timestamp ); To get a formatted string you can then call $formatt...