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Why do enum permissions often have 0, 1, 2, 4 values?

...rmissions.Delete == 4 == 00000100 Notice a pattern here? Now if we take my original example, i.e., var permissions = Permissions.Read | Permissions.Write; Then... permissions == 00000011 See? Both the Read and Write bits are set, and I can check that independently (Also notice that the De...
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iOS Safari – How to disable overscroll but allow scrollable divs to scroll normally?

... Using Tyler Dodge's excellent answer kept lagging on my iPad, so I added some throttling code, now it's quite smooth. There is some minimal skipping sometimes while scrolling. // Uses document because document will be topmost level in bubbling $(document).on('touchmove',funct...
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Changing Font Size For UITableView Section Headers

...View *)tableView viewForHeaderInSection:(NSInteger)section { UILabel *myLabel = [[UILabel alloc] init]; myLabel.frame = CGRectMake(20, 8, 320, 20); myLabel.font = [UIFont boldSystemFontOfSize:18]; myLabel.text = [self tableView:tableView titleForHeaderInSection:section]; UIView...
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Best approach to remove time part of datetime in SQL Server

...ecause: varchar is subject to language/dateformat issues Example: Why is my CASE expression non-deterministic? float relies on internal storage it extends to work out first day of month, tomorrow etc by changing "0" base Edit, Oct 2011 For SQL Server 2008+, you can CAST to date i.e. CAST(getdat...
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How do I create multiple submit buttons for the same form in Rails?

...n, but since I've been dealing with the same situation, I thought I'd post my solution. I'm using controller constants to avoid introducing a discrepancy between the controller logic and the view button. class SearchController < ApplicationController SEARCH_TYPES = { :searchABC => "Sea...
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Can pandas automatically recognize dates?

... I got this error because there were nan in my data frame. – Jean Paul May 4 '17 at 13:10 1 ...
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What is the meaning of “this” in Java?

... the context of an object. So if you have a class like this: public class MyThisTest { private int a; public MyThisTest() { this(42); // calls the other constructor } public MyThisTest(int a) { this.a = a; // assigns the value of the parameter a to the field of the same name } ...
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What exactly does += do in python?

...ut also because there are much simpler answers (like @Imran's below). Just my two cents, even though I appreciate this answer. – q-compute Sep 10 '19 at 15:18 add a comment ...
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CSS: How to position two elements on top of each other, without specifying a height?

...act same thing, and after reading your post I found a solution that fitted my problem. I was having two elements of the exact same size and wanted to stack them. As each have same size, what I could do was to make position: absolute; top: 0px; left: 0px; on only the last element. This way the fi...
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How to recognize swipe in all 4 directions

... @ahitt6345 I was using my code in a UIView subclass, but you're absolutely right if you're in a UIViewController! – Alexandre Cassagne Feb 5 '16 at 4:42 ...