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How to delete and replace last line in the terminal using bash?
... do not output the trailing newline
-e enable interpretation of backslash escapes
\r carriage return
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Origin is not allowed by Access-Control-Allow-Origin
...nderlying security issue. In my case, 2 servers are running locally, and like to enable cross domain requests during testing.
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What is the Python equivalent of static variables inside a function?
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A bit reversed, but this should work:
def foo():
foo.counter += 1
print "Counter is %d" % foo.counter
foo.counter = 0
If you want the counter initialization code at the top instead of the bottom, you can create a decorator:
def static_vars(**kwargs...
Has an event handler already been added?
... has a property changed it needs to be flagged, which the event handler took care of properly before. However now when the objects are deserialized it isn't getting the event handler.
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What is the overhead of creating a new HttpClient per call in a WebAPI client?
...Even across multiple threads.
The HttpClientHandler has Credentials and Cookies that are intended to be re-used across calls. Having a new HttpClient instance requires re-setting up all of that stuff.
Also, the DefaultRequestHeaders property contains properties that are intended for multiple calls....
How to print to console when using Qt
I'm using Qt4 and C++ for making some programs in computer graphics. I need to be able to print some variables in my console at run-time, not debugging, but cout doesn't seem to work even if I add the libraries. Is there a way to do this?
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How to implement the Android ActionBar back button?
I have an activity with a listview. When the user click the item, the item "viewer" opens:
12 Answers
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getActivity() returns null in Fragment function
I have a fragment (F1) with a public method like this
15 Answers
15
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How to let PHP to create subdomain automatically for each user?
How do I create subdomain like http://user.mywebsite.com ? Do i have to access htaccess somehow? Is it actually simply possible to create it via pure php code or I need to use some external script-server side language?
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Password masking console application
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Console.Write("\b \b"); will delete the asterisk character from the screen, but you do not have any code within your else block that removes the previously entered character from your pass string variable.
Here's the relevant working code that should do what you require:
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