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TypeScript: Creating an empty typed container array

... The issue of correctly pre-allocating a typed array in TypeScript was somewhat obscured for due to the array literal syntax, so it wasn't as intuitive as I first thought. The correct way would be var arr : Criminal[] = []; This will give you a cor...
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What's the difference between TRUNCATE and DELETE in SQL

...cle If you use the REUSE STORAGE clause then the data segments are not de-allocated, which can be marginally more efficient if the table is to be reloaded with data. The high water mark is reset. Row scope Delete can be used to remove all rows or only a subset of rows. Truncate removes all rows...
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What is the equivalent of “!=” in Excel VBA?

...ompare Integers. Additionally, when you do a = "" that second "" has to be allocated as its own string first in memory, then compared to your target string. – LimaNightHawk Oct 5 '17 at 16:41 ...
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What is the difference between pluck and collect in Rails?

... Because it will retrieve all the columns from user table in the database, allocates the memory for each attributes (including the attributes which you will never use) NOTE: pluck does not return ActiveRecord_Relation of the user ...
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Bootstrap: align input with button

... For me it did not work if creating an extra span tag to allocated the class, but it worked if I added that class to the div tag: <div class="form-group input-group-btn"> – J0ANMM Dec 19 '16 at 17:34 ...
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Why use String.Format? [duplicate]

...the exact size of the destination string is known ahead of time and can be allocated immediately and each character copied only once. – csauve Jan 12 '11 at 17:44 ...
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Nesting await in Parallel.ForEach

...l still wait for all tasks to complete, and GetPartitions will dynamically allocate elements when partition.MoveNext is called until no more elements are left to process. This means that unless you add your own mechanism for stopping the processing (e.g. CancellationToken) it won't happen on its own...
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Generate a Hash from string in Javascript

... is faster, because my version has to turn the string into an array first, allocating new memory and copying every character... – lordvlad Feb 22 '15 at 10:04 5 ...
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Return all enumerables with yield return at once; without looping through

...rhead if all the client really needs is to enumerate through it, since you allocate the data structures for all elements in advance. Also, if you delegate to another method that's returning a sequence, then capturing it as a collection involves extra copying, and you do not know how many items (and ...
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App store link for “rate/review this app”

...sUserReviews?type=Purple+Software&id=%@"; NSString* url = [[NSString alloc] initWithFormat: ([[UIDevice currentDevice].systemVersion floatValue] >= 7.0f) ? iOS7AppStoreURLFormat : iOSAppStoreURLFormat, cAppleID]; [[UIApplication sharedApplication] openURL: [NSURL URLWithString: url]]; } ...