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What exactly is Python's file.flush() doing?
...rs created by the runtime/library/language that you're programming against and is meant to speed things up by avoiding system calls for every write. Instead, when you write to a file object, you write into its buffer, and whenever the buffer fills up, the data is written to the actual file using sys...
How to load program reading stdin and taking parameters in gdb?
Question cribbed from here .
Unfortunately I don't understand the solution and am not sure what to do beyond compiling with the -g option and running the command M-x gdb.
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Update a record without first querying?
Lets say I query the database and load a list of items. Then I open one of the items in a detail view form, and instead of re-querying the item out of the database, I create an instance of the item from the datasource in the list.
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How to avoid the “divide by zero” error in SQL?
...nullif(divisor, 0) ..." breaks if divisor is NULL.
– Anderson
Dec 1 '14 at 10:51
8
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Using a 'using alias = class' with generic types? [duplicate]
... A using alias directive cannot have an open generic type on the right hand side. For example, you cannot create a using alias for a List<T>, but you can create one for a List<int>. msdn.microsoft.com/en-us/library/sf0df423.aspx
– Sergey Mirvoda
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An invalid form control with name='' is not focusable
...runs into the problem of an inaccessible form as one can't submit the form and doesn't get any message from the browser or site. Preventing validation altogether via 'novalidate' is no correct answer as clientside validation should support user inputs. Changing the website is the solution.
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How to save the output of a console.log(object) to a file?
...ng JSON.stringify(object) , but it doesn't go down on the whole structure and hierarchy.
9 Answers
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Batch file to copy files from one folder to another folder
... copy against the original. slower, but for the paranoid.
/h - copy system and hidden files.
/k - copy read-only attributes along with files. otherwise, all files become read-write.
/x - if you care about permissions, you might want /o or /x.
/y - don't prompt before overwriting existing files.
/z -...
How can I get Git to follow symlinks?
...now out-dated as per comment since Git 1.6.1. Git used to behave this way, and no longer does.
Git by default attempts to store symlinks instead of following them (for compactness, and it's generally what people want).
However, I accidentally managed to get it to add files beyond the symlink whe...
Why does Google +1 record my mouse movements? [closed]
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It appears to be seeding a random number generator with your mouse movements.
The mouse move handler itself does something along the lines of the following:
var b = ((event.X << 16) + event.Y) * (new Date().getTime() % 1000000);
c = c * b % d;
i...