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How to replace a string in multiple files in linux command line
... the most general and powerful tool I'm aware of is repren, a small Python script I wrote a while back for some thornier renaming and refactoring tasks. The reasons you might prefer it are:
Support renaming of files as well as search-and-replace on file contents.
See changes before you commit to p...
How to delete an SMS from the inbox in Android programmatically?
... onReceive() method, before performing anything with your message, simply call abortBroadcast();
EDIT: As of KitKat, this doesn't work anymore apparently.
EDIT2: More info on how to do it on KitKat here:
Delete SMS from android on 4.4.4 (Affected rows = 0(Zero), after deleted)
...
python pandas remove duplicate columns
...he given example, the returned value would be [False,False,True].
Pandas allows one to index using boolean values whereby it selects only the True values. Since we want to keep the unduplicated columns, we need the above boolean array to be flipped (ie [True, True, False] = ~[False,False,True])
F...
AngularJS check if form is valid in controller
...
});
<!doctype html>
<html ng-app="App">
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.1/angular.min.js"></script>
</head>
<body>
<form name="myForm" ng-controller="myController">
userType: &...
What is the meaning of #XXX in code comments?
...mething you're not sure about, a question.
I've often preferred a more descriptive tag like FIXME or TODO or HACK. XXX is often used as a catch all for the above.
Searching for 'XXX' on the FreeBSD code cross reference is a good example of many of the uses. There are thousands...
...
How would I run an async Task method synchronously?
I'm learning about async/await, and ran into a situation where I need to call an async method synchronously. How can I do that?
...
Does SQLAlchemy have an equivalent of Django's get_or_create?
...
That's basically the way to do it, there is no shortcut readily available AFAIK.
You could generalize it ofcourse:
def get_or_create(session, model, defaults=None, **kwargs):
instance = session.query(model).filter_by(**kwargs).firs...
How to get the name of enumeration value in Swift?
... on each case to return a string literal. In addition, this works automatically for any enum, even if no raw-value type is specified.
debugPrint(_:) & String(reflecting:) can be used for a fully-qualified name:
debugPrint(city)
// prints "App.City.Melbourne" (or similar, depending on the full ...
How to avoid 'cannot read property of undefined' errors?
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Catching all exceptions without re-throwing is bad, and generally using exceptions as part of the expected flow of execution is also not great -- even though in this case it's pretty well contained.
– hugo
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Eclipse menus don't show up after upgrading to Ubuntu 13.10
...plication
or else, you could also try with the following executable bash script file which opens Eclipse. Place the file in /bin directory or /usr/local/bin.
#!/bin/bash
export UBUNTU_MENUPROXY=0
path_to/eclipse/eclipse
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