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Random number generator only generating one random number

... Every time you do new Random() it is initialized using the clock. This means that in a tight loop you get the same value lots of times. You should keep a single Random instance and keep using Next on the same instance. //Function to get a random number p...
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Does return stop a loop?

... Yes, return stops execution and exits the function. return always** exits its function immediately, with no further execution if it's inside a for loop. It is easily verified for yourself: function returnMe() { for (var i = 0; i < 2; i++) { if (i...
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The transaction manager has disabled its support for remote/network transactions

...etwork MS DTC Access. On the Action menu, click Properties. Click the Security tab and make the following changes: In Security Settings, select the Network DTC Access check box. In Transaction Manager Communication, select the Allow Inbound and Allow Outbound check boxes. ...
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Is it safe to resolve a promise multiple times?

...ine. Only thing to understand is that once resolved (or rejected), that is it for a defered object - it is done. If you should call then(...) on it's promise again, you should immediately get the (first) resolved/rejected result. Additional calls to resolve() will not (should not?) have any effe...
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When do I use the PHP constant “PHP_EOL”?

When is it a good idea to use PHP_EOL ? 19 Answers 19 ...
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How do I create a readable diff of two spreadsheets using git diff?

We have a lot of spreadsheets (xls) in our source code repository. These are usually edited with gnumeric or openoffice.org, and are mostly used to populate databases for unit testing with dbUnit . There are no easy ways of doing diffs on xls files that I know of, and this makes merging extremely...
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Shall we always use [unowned self] inside closure in Swift

... No, there are definitely times where you would not want to use [unowned self]. Sometimes you want the closure to capture self in order to make sure that it is still around by the time the closure is called. Example: Making an asynchronous netw...
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How can I export tables to Excel from a webpage [closed]

...in. You get a grid that sorts, filters, orders, and pages your data, and with just a few extra lines of code and two small files included, you get export to Excel, PDF, CSV, to clipboard and to the printer. This is all the code that's required: $(document).ready( function () { $('#example')...
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count vs length vs size in a collection

...), there may be 10 characters in a string, but storage is reserved for 20. It also may refer to number of elements - check source/documentation. Capacity() - used to specifically refer to allocated space in collection and not number of valid elements in it. If type has both "capacity" and "size" de...
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Test if characters are in a string

...follow | edited Apr 14 at 17:04 TMS 49.8k4444 gold badges193193 silver badges333333 bronze badges ...