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Listening for variable changes in JavaScript
...point. In my case I have an object created somewhere else and been updated by some other code... a proxy, in this case, is not useful since the changes will be done on the target.
– Cristiano
Jul 11 '19 at 10:33
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Expression Versus Statement
...sult. In C, every syntactic expression can be a made into a statement just by tacking a semicolon along the end:
1 + 2 / x;
is a totally legit statement even though absolutely nothing will happen. Similarly, in C, an expression can have side-effects—it can change something.
1 + 2 / callfunc(1...
Using Django time/date widgets in custom form
...s nicer, sure, but you are completely overriding the form fields generated by the model form, which could also erase options from the model fields, like help_text. Overriding init only changes the widget and leaves the rest of the form field as it was.
– Carl Meyer
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Difference between framework vs Library vs IDE vs API vs SDK vs Toolkits? [closed]
... SDK section of the API documentation, e.g, the twilio API has a python, ruby, C#, and Java sdk for their API. Just to confuse things a little more they call it API Libraries and SDKs, and I've heard both of those terms used interchangeably.
– Rob
Aug 28 '1...
How to check if a python module exists without importing it
...')
# only accept it as valid if there is a source file for the module - no bytecode only.
found = issubclass(type(spam_loader), importlib.machinery.SourceFileLoader)
Python3 ≥ 3.4
In Python3.4 importlib.find_loader python docs was deprecated in favour of importlib.util.find_spec. The recommended...
How to use auto-layout to move other views when a view is hidden?
...are not using the intrinsic content size, you are using the size indicated by the constraint.
– balkoth
May 29 '14 at 9:33
2
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Check whether a variable is a string in Ruby
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”
... mentioned here - slf4j.org/manual.html But i get a new error now - Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory
– david blaine
Apr 17 '13 at 7:10
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How to get current foreground activity context in android?
...ation from ActivityManager. We get the current foreground running Activity by
ActivityManager am = (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);
ComponentName cn = am.getRunningTasks(1).get(0).topActivity;
UPDATE 2018/10/03
getRunningTasks() is DEPRECATED. see the solutions...
Sending HTML email using Python
...
Here is a simple way to send an HTML email, just by specifying the Content-Type header as 'text/html':
import email.message
import smtplib
msg = email.message.Message()
msg['Subject'] = 'foo'
msg['From'] = 'sender@test.com'
msg['To'] = 'recipient@test.com'
msg.add_header(...