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Environment variables in Mac OS X
...the machine (assuming they use bash).
~/.MacOSX/environment.plist: this is read by loginwindow on login. It applies to all applications, including GUI ones, except those launched by Spotlight in 10.5 (not 10.6). It requires you to logout and login again for changes to take effect. This file is no lo...
How slow are .NET exceptions?
...er side claims (with benchmark test) that the speed is not the issue. I've read numerous blogs, articles, and posts pertaining one side or the other. So which is it?
...
How do I forward declare an inner class? [duplicate]
...mplates:
// Foo.h
struct Foo
{
export template<class T> void Read(T it);
};
// Foo.cpp
#include "Foo.h"
#include "Container.h"
/*
struct Container
{
struct Inner { };
};
*/
export template<>
void Foo::Read<Container::Inner>(Container::Inner& it)
{
}
#inc...
APP INVENTOR硬件交互学习教程03——巧借arduino nano 配置HC-05 - 创客硬...
...intln("Enter AT commands!");
}
void loop() {
// read from port 1, send to port 0:
if (EEBlue.available()) {
int inByte = EEBlue.read();
Serial.write(inByte);
}
// read from port 0, send to port 1:
&nbs...
Why is quicksort better than mergesort?
...esign. However, other things – such as locality of reference (i.e. do we read lots of elements which are probably in cache?) – also play an important role on current hardware. Quicksort in particular requires little additional space and exhibits good cache locality, and this makes it faster than...
How to calculate md5 hash of a file using javascript
...plementations of the MD5 algorithm, older browsers are generally unable to read files from the local filesystem.
I wrote that in 2009. So what about new browsers?
With a browser that supports the FileAPI, you *can * read the contents of a file - the user has to have selected it, either with an <...
dd: How to calculate optimal blocksize? [closed]
...
(Note: The unit of the transfer rates will vary by OS)
To test optimal read block size, you could use more or less the same process,
but instead of reading from /dev/zero and writing to the disk, you'd read from
the disk and write to /dev/null. A script to do this might look like so:
dd_ibs_tes...
git: fatal: Could not read from remote repository
I am trying to set git up with http://danielmiessler.com/study/git/#website to manage my site.
50 Answers
...
Database sharding vs partitioning
I have been reading about scalable architectures recently. In that context, two words that keep on showing up with regards to databases are sharding and partitioning . I looked up descriptions but still ended up confused.
...
Creating a JavaScript cookie on a domain and reading it across sub domains
... });
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