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Android 4.3 Bluetooth Low Energy unstable

...e/x1y4tEHDwk0 The issue and work around described below is probably fixed now by OS updates Work around: I could "stabilize" my app doing that... I provide the user a setting "Restart Bluetooth". If that setting is enabled, I restart Bluetooth at some points that indicate the begin of BLE stack...
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What are the barriers to understanding pointers and what can be done to overcome them? [closed]

...implified. There's more overhead and a lot more details you would need to know if you need to deal with memory on a low-level basis. However, for the intents of explaining memory and pointers, it is accurate enough. Let's assume the THouse class used below looks like this: type THouse = clas...
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Computed / calculated / virtual / derived columns in PostgreSQL

... The functionality is in development right now: commitfest.postgresql.org/16/1443 – r90t Jan 23 '18 at 12:42 1 ...
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Why are const parameters not allowed in C#?

...ld call some mutating method on a non const alias of the const object, and now the so-called const object has changed. C-style const provides no guarantee that the object will not change, and is therefore broken. Now, C already has a weak type system in which you can do a reinterpret cast of a doub...
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Test iOS app on device without apple developer program or jailbreak

...lso, you must do this for every .sdk you want to be able to run on device. Now, in your project settings, you can change Code Signing Identity to Don't Code Sign. Your app should now build and install on your device successfully. UPDATE: There are some issues with iOS 5.1 SDK that this method may no...
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How to saveHTML of DOMDocument without HTML wrapper?

... All of these answers are now wrong, because as of PHP 5.4 and Libxml 2.6 loadHTML now has a $option parameter which instructs Libxml about how it should parse the content. Therefore, if we load the HTML with these options $html->loadHTML($conte...
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Checking if form has been submitted - PHP

... Ideally now you should use if (null !== (filter_input(INPUT_POST, 'macaddress'))){ which gets you in the habit of using filter_input – depicus Feb 20 '15 at 9:46 ...
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How to check for valid email address? [duplicate]

...g it even a little tighter. Seems safe to limit TLD to alphanumeric right now (still haven't seen a TLD that has non-ASCII chars). Using this now: re.compile(r"[^@\s]+@[^@\s]+\.[a-zA-Z0-9]+$") – gaefan Aug 29 '15 at 15:39 ...
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Can “git pull --all” update all my local branches?

...ould vote up. I have this problem on github. I created a branch on the UI. Now I need my local to show the branch. git pull --all; git branch... argh... the command: git branch -a – mariotti Oct 29 '16 at 20:17 ...
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How do I exit the Vim editor?

...MAND mode, where you can type short, few character commands, blindly. You know what you are doing; this isn't for amateurs. When you want to actually edit text, you should go to INSERT mode with some one-character command: i: go to INSERT in the place of the cursor I: go to INSERT mode at the beg...