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Building a minimal plugin architecture in Python
I have an application, written in Python, which is used by a fairly technical audience (scientists).
18 Answers
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Are empty HTML5 data attributes valid?
...es about empty attributes apply here:
Certain attributes may be specified by providing just the attribute name, with no value.
In the following example, the disabled attribute is given with the empty attribute syntax:
<input disabled>
Note that empty attribute syntax is exactly equivalent to...
What is the difference between const and readonly in C#?
...n decompilation (Reflector, ILSpy, ..) a constant NEVER EVER is referenced by any one, no matter of same assembly or another assembly, so you cannot analyze the usage of a constant in compiled code at all.
– springy76
Aug 19 '16 at 13:02
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How to validate an email address in JavaScript
...ut Gmail will never allow any of these email addresses. You should do this by accepting the email address and sending an email message to that email address, with a code/link the user must visit to confirm validity.
– Kevin Fegan
Feb 1 '14 at 8:49
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How to synchronize a static variable among threads running different instances of a class in Java?
...e the read operation on count if you want to read the correct value as set by other threads. Declaring it volatile (in addition to synchronized write) will also help with this.
– n0rm1e
Apr 24 '13 at 14:27
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Android 4.3 Bluetooth Low Energy unstable
...d inside LeScanCallback() {...}.onLeScan(BluetoothDevice device, int rssi, byte[] scanRecord) in the same thread on Samsung Galaxy S3 with Android 4.3 (at least for build JSS15J.I9300XXUGMK6)
Most devices filter advertising
Better not use android.bluetooth.BluetoothAdapter#startLeScan(UUID[] servic...
Call An Asynchronous Javascript Function Synchronously
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Async functions, a feature in ES2017, make async code look sync by using promises (a particular form of async code) and the await keyword. Also notice in the code examples below the keyword async in front of the function keyword that signifies an async/await function. The await keyword wo...
Setting up two different static directories in node.js Express framework
...You can also set the path that static files will be served to the web from by specifying an additional (first) parameter to use() like so:
app.use("/public", express.static(__dirname + "/public"));
app.use("/public2", express.static(__dirname + "/public2"));
That way you get two different directo...
Free space in a CMD shell
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is there a way to get just the number of free bytes ?
– Mina Jacob
Jun 8 '16 at 3:36
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UITableViewCell subview disappears when cell is selected
...sub views when cell is selected or highlighted ,You can Solve this problem by overriding Tableview cell's setSelected:animated and setHighlighted:animated and resetting view background color.
In Objective C :
- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
UIColor *color = self.you...