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How to create a memory leak in Java?
...a thread pool to leak even faster).
The thread loads a class via an (optionally custom) ClassLoader.
The class allocates a large chunk of memory (e.g. new byte[1000000]), stores a strong reference to it in a static field, and then stores a reference to itself in a ThreadLocal. Allocating the extra ...
Why is creating a new process more expensive on Windows than Linux?
...eerden: NT has been designed for multi-user from day one, so this is not really a reason. However, you are right about that process creation plays a less important role on NT than on Unix as NT, in contrast to Unix, favors multithreading over multiprocessing.
Rob, it is true that fork is relatively...
Resolve promises one after another (i.e. in sequence)?
...uential manner. readFiles returns a promise, which is resolved only once all files have been read in sequence.
27 Answers...
How to compile a 64-bit application using Visual C++ 2010 Express?
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Here are step by step instructions:
Download and install the Windows Software Development Kit version 7.1. Visual C++ 2010 Express does not include a 64 bit compiler, but the SDK does. A link to the SDK: http://msdn.microsoft.com/en-us/windowsserver/bb980924.aspx
Change your pr...
How should I ethically approach user password storage for later plaintext retrieval?
...hat the user can retrieve the password, then strictly speaking you don't really need to retrieve the password they set (they don't remember what it is anyway), you need to be able to give them a password they can use.
Think about it: if the user needs to retrieve the password, it's because they've...
why windows 7 task scheduler task fails with error 2147942667
...ks fail to run if the path in "Start in (Optional)" field has quotes
Basically, edit your scheduled task and take the Quotes out of the Start In field:
Open your Scheduled Task
Switch to "Actions" tab
Open your Action
Remove Quotes (") from the field "Start in (optional)"
Save and close all open ...
Is it possible to put CSS @media rules inline?
I need to dynamically load banner images into a HTML5 app and would like a couple of different versions to suit the screen widths. I can't correctly determine the phone's screen width, so the only way I can think of doing this is to add background images of a div and use @media to determine the scre...
Difference between numeric, float and decimal in SQL Server
...Avoid using float or real columns in WHERE clause search conditions, especially the = and <> operators (Technet)
so generally because the precision provided by decimal is [10E38 ~ 38 digits] if your number can fit in it, and smaller storage space (and maybe speed) of Float is not important a...
How to convert int to QString?
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Then you probably want to work on pre-allocated buffers... but this sounds like a separate question.
– Georg Fritzsche
Apr 6 '17 at 4:45
a...
vim - How to delete a large block of text without counting the lines?
...pe V (capital). Then move up/down to highlight the block you want deleted (all the usual movement commands work). Then remove it with x or d.
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