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How to download and save a file from Internet using Java?
...ww.example.com/information.asp ) I need to grab and save to a directory. I know there are several methods for grabbing and reading online files (URLs) line-by-line, but is there a way to just download and save the file using Java?
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C/C++ maximum stack size of program
...case, depth of recursive function calls can go upto 10000 with each call taking upto say 20 bytes. So is it feasible means is there a possibility of stackoverflow?
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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...
Soft wrap at 80 characters in Vim in window of arbitrary width
...it a file with a million lines in it, you may have trouble, but that's unlikely. You're wasting 6 columns of screen real estate this way too. So there are still all kinds of problems.
You can highlight past the 80th column using :match like it says here and here.
Beyond that I can't see any way ...
Set value to NULL in MySQL
...f nothing is put into the text box in the form I'm submitting. How can I make this happen?
I've tried inserting 'NULL' but this just adds the word NULL into the field.
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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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How to draw a dotted line with css?
...ple:
hr {
border:none;
border-top:1px dotted #f00;
color:#fff;
background-color:#fff;
height:1px;
width:50%;
}
See also Styling <hr> with CSS.
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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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