... Calling read() reads through the entire file and leaves the read cursor at the end of the file (with nothing more to read). If you are looking to read a certain number of lines at a time you could use readline(), readlines() or iterate through lines with for line in ha...

...ier if you use a good editor mode or plugin, which may provide support for selecting lines directly to revert, as -p can be a bit clumsy to use sometimes. I use Magit, an Emacs mode that is very helpful for working with Git. In Magit, you can run magit-status, find the diffs for the changes that you...

... Go to the directory manually and do right click → Select 'Git bash' option. Git bash terminal automatically opens with the intended directory. For example, go to your project folder. While in the folder, right click and select the option and 'Git bash'. It will open automat...

I have been told that a handle is sort of a pointer, but not, and that it allows you to keep a reference to an object, rather than the object itself. What is a more elaborate explanation? ...

... suggestions: If your nodes are configured to have 6g maximum for Spark (and are leaving a little for other processes), then use 6g rather than 4g, spark.executor.memory=6g. Make sure you're using as much memory as possible by checking the UI (it will say how much mem you're using) Try using more ...

Assuming I have to use C (no C++ or object oriented compilers) and I don't have dynamic memory allocation, what are some techniques I can use to implement a class, or a good approximation of a class? Is it always a good idea to isolate the "class" to a separate file? Assume that we can preallocate t...

...bootstrap's or your custom style, you need to create a custom download and select the no-theme theme. That will only include jQuery UI's resets, and not overload bootstrap's style for various elements. While we're at it, some jQuery UI components (such as datepicker) have a native bootstrap impleme...

...les traversal over the records in a database". For example c.execute('''SELECT * FROM users''') returns an iterator that you can call fetchall() on (or another cursor method). Some SQL queries return empty iterators, but that should be expected, not surprising. – Powers ...

... mysql_fetch_array() expects parameter 1 to be resource, boolean given in select All "mysql_fetch_array() expects parameter 1 to be resource, boolean given" Questions on Stackoverflow Related Errors: Warning: [function] expects parameter 1 to be resource, boolean given Other mysql* functions ...

... This should be the selected as the "Correct answer". According to MDN it's supported in IE9+ and all other browsers, which is great! developer.mozilla.org/en-US/docs/Web/CSS/… – fregante Sep 27 '13 at 0:...