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In MVVM should the ViewModel or Model implement INotifyPropertyChanged?
...ce that when it receives a Bid or Ask price for a given value it issues an alert (ex. through an email) or places an order? This could be a possible clean solution.
However, there are different ways of achieving things, but I would always argue in favor of simplicity and avoid redundancy.
What is ...
How can I find out if I have Xcode commandline tools installed?
...application, and enter $ gcc if you have not installed it you will get an alert. You can verify that you have installed it by
$ xcode-select -p
/Library/Developer/CommandLineTools
And to be sure then enter $ gcc --version
You can read more about the process here: Xcode command line tools for Ma...
How to add additional fields to form before submit?
...ost('/change-user-details', form, function(d) {
if (d.error) {
alert("There was a problem updating your user details")
}
});
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What's Pros and Cons: putting javascript in head and putting just before the body close
Most of javascript and web development books/articles says that you must put CSS in the head tag and javascript at the bottom of the page.
...
Groovy: what's the purpose of “def” in “def x = 0”?
...
It's syntactic sugar for basic scripts. Omitting the "def" keyword puts the variable in the bindings for the current script and groovy treats it (mostly) like a globally scoped variable:
x = 1
assert x == 1
assert this.binding.getVariable("x") == 1
Usi...
Relative paths in Python
I'm building a simple helper script for work that will copy a couple of template files in our code base to the current directory. I don't, however, have the absolute path to the directory where the templates are stored. I do have a relative path from the script but when I call the script it treats t...
How to execute a Python script from the Django shell?
I need to execute a Python script from the Django shell. I tried:
21 Answers
21
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Why do you need to put #!/bin/bash at the beginning of a script file?
I have made Bash scripts before and they all ran fine without #!/bin/bash at the beginning.
9 Answers
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Android – Listen For Incoming SMS Messages
...erNum: "+ senderNum + "; message: " + body);
// Show Alert
int duration = Toast.LENGTH_LONG;
Toast toast = Toast.makeText(context,
"senderNum: "+ mobile+ ", message: " + message, duration);
...
How do I get both STDOUT and STDERR to go to the terminal and a log file?
I have a script which will be run interactively by non-technical users. The script writes status updates to STDOUT so that the user can be sure that the script is running OK.
...