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Android 4.3 Bluetooth Low Energy unstable
...on't forget to call android.bluetooth.BluetoothGatt#close()
Start a new thread inside onLeScan(..) and then connect. Reason: BluetoothDevice#connectGatt(Context context, boolean autoConnect, BluetoothGattCallback callback) always fails, if called inside LeScanCallback() {...}.onLeScan(BluetoothDevi...
When should I use Arrow functions in ECMAScript 6?
...style in the context of the upcoming ECMAScript 6 (Harmony) and who have already worked with the language.
9 Answers
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When and why I should use session_regenerate_id()?
...ion in php?
Should I always use it after I use the session_start() ?
I've read that I have to use it to prevent session fixation, is this the only reason?
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Removing leading zeroes from a field in a SQL statement
I am working on a SQL query that reads from a SQLServer database to produce an extract file. One of the requirements to remove the leading zeroes from a particular field, which is a simple VARCHAR(10) field. So, for example, if the field contains '00001A', the SELECT statement needs to return the...
Are there any SHA-256 javascript implementations that are generally considered trustworthy?
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I agree with @NickBrunt . It is better if the attacker reads a random hash string that may fit only with this particular app rather than the original password that may be used in several places.
– Aebsubis
May 28 '14 at 15:16
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Converting dd/mm/yyyy formatted string to Datetime [duplicate]
... = DateTime.Parse("24/01/2013", new CultureInfo("en-CA"));
Or
System.Threading.Thread.CurrentThread.CurrentCulture = new CultureInfo("en-CA");
DateTime dt = DateTime.Parse("24/01/2013"); //uses the current Thread's culture
Both the above lines would work because the the string's format is acce...
For-each over an array in JavaScript
... for loop,
or for-in with safeguards.
But there's lots more to explore, read on...
JavaScript has powerful semantics for looping through arrays and array-like objects. I've split the answer into two parts: Options for genuine arrays, and options for things that are just array-like, such as the...
Make EditText ReadOnly
I want to make a read-only EditText view. The XML to do this code seems to be android:editable="false" , but I want to do this in code.
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How does data binding work in AngularJS?
...has an inconsistent view of the world. This is a very similar problem to thread locking, which JavaScript avoids since each callback executes exclusively and to completion. Change events break this since setters can have far-reaching consequences which are not intended and non obvious, which creates...
How to prune local tracking branches that do not exist on remote anymore
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If you want to delete all local branches that are already merged into master, you can use the following command:
git branch --merged master | grep -v '^[ *]*master$' | xargs git branch -d
More info.
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