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How many GCC optimization levels are there?
...e even more)
-Ofast (optimize very aggressively to the point of breaking standard compliance)
-Og (Optimize debugging experience. -Og enables optimizations that do not interfere with debugging. It should be the
optimization level of choice for the standard edit-compile-debug cycle, offeri...
How do I drag and drop files into an application?
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Is the (string[]) cast safe for any FileDrop-formatted drop? That is, is it possible to generate a FileDrop that will cause an illegal cast exception to string[]? I'm having trouble figuring that out from the docs.
– kd...
Iterating through directories with Python
I need to iterate through the subdirectories of a given directory and search for files. If I get a file I have to open it and change the content and replace it with my own lines.
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POST request send json data java HttpUrlConnection
...veloped a java code that convert the following cURL to java code using URL and HttpUrlConnection.
the curl is :
5 Answers
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SQL error “ORA-01722: invalid number”
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Here's one way to solve it. Remove non-numeric characters then cast it as a number.
cast(regexp_replace('0419 853 694', '[^0-9]+', '') as number)
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How to create a numpy array of all True or all False?
...TE: 16 January 2017
Since at least numpy version 1.12, full automatically casts results to the dtype of the second parameter, so we can just write:
numpy.full((2, 2), True)
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How to import data from mongodb to pandas?
...aFrame(list(cursor)). Pure db quering is much faster. Could we change list casting to something else?
– Peter.k
Jan 19 '19 at 19:53
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DropDownList in MVC 4 with Razor
... If you defined the List in controller, Then you need in View to cast it , like this: @Html.DropDownListFor(model => model.model_year, ViewBag.Years as List<SelectListItem>, "-- Select Year --")
– Bashar Abu Shamaa
Feb 26 '16 at 19:23
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Launch an app on OS X with command line
I want to launch an app on OSX from a script. I need pass it command line arguments. Unfortunately, open doesn't accept command line args.
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How do I make python wait for a pressed key?
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@Solarsaturn9 and an increasing and large number do not. Thus this answer did not work for me, and the many other that come here.
– ctrl-alt-delor
Oct 22 '15 at 22:00
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