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How to use shared memory with Linux in C
...more modern and flexible, but you can take a look at man shmget (or this tutorial) if you'd rather use the old-style tools.
The mmap() function can be used to allocate memory buffers with highly customizable parameters to control access and permissions, and to back them with file-system storage if ...
Getting only response header from HTTP POST using curl
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-D, --dump-header <file>
Write the protocol headers to the specified file.
This option is handy to use when you want to store the headers
that a HTTP site sends to you. Cookies from the headers could
then be read in a second curl ...
How to install psycopg2 with “pip” on Python?
I'm using virtualenv and I need to install "psycopg2".
33 Answers
33
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How to perform mouseover function in Selenium WebDriver using Java?
I want to do mouseover function over a drop down menu. When we hover over the menu, it will show the new options.
I tried to click the new options using the xpath. But cannot click the menus directly.
So, as the manual way I am trying to hover over the drop down menu and then will click the new opti...
What is the difference between Debug and Release in Visual Studio?
...iable is "optimized away". And there are multitudes of other optimizations too. Try debugging optimized .NET code sometime and you'll see.
Another key difference is that because of this the default Release settings don't bother with generating extensive debug symbol information. That's the .PDB fil...
Importing a CSV file into a sqlite3 database table using Python
I have a CSV file and I want to bulk-import this file into my sqlite3 database using Python. the command is ".import .....". but it seems that it cannot work like this. Can anyone give me an example of how to do it in sqlite3? I am using windows just in case.
Thanks
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How to align a to the middle (horizontally/width) of the page [duplicate]
I have a div tag with width set to 800 pixels . When the browser width is greater than 800 pixels , it shouldn't stretch the div , but it should bring it to the middle of the page.
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How to add a new method to a php object on the fly?
How do I add a new method to an object "on the fly"?
9 Answers
9
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Best way to convert string to bytes in Python 3?
There appear to be two different ways to convert a string to bytes, as seen in the answers to TypeError: 'str' does not support the buffer interface
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How do I add a simple onClick event handler to a canvas element?
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When you draw to a canvas element, you are simply drawing a bitmap in immediate mode.
The elements (shapes, lines, images) that are drawn have no representation besides the pixels they use and their colour.
Therefore, to get a click even...