大约有 30,000 项符合查询结果（耗时：0.0408秒） [XML]
Trimming a huge (3.5 GB) csv file to read into R
...eel like firing up a big memory instance on Amazon's EC2 you can get up to 64GB of RAM. That should hold your file plus plenty of room to manipulate the data.
If you need more speed, then Shane's recommendation to use Map Reduce is a very good one. However if you go the route of using a big memory ...
How to autosize a textarea using Prototype?
...clientHeight)
text.style.height = adjustedHeight + "px";
}
}
Demo:
(uses jQuery, targets on the textarea I'm typing into right now - if you have Firebug installed, paste both samples into the console and test on this page)
$("#post-text").keyup(function()
{
FitToContent(this, docum...
“:” (colon) in C struct - what does it mean? [duplicate]
...is used in expressions in exactly the same way as a variable
of the same base type would be used, regardless of how many bits are
in the bit field.
A quick sample illustrates this nicely. Interestingly, with mixed types the compiler seems to default to sizeof (int).
struct
{
int a : 4...
Using HTML in Express instead of Jade
...n path.
Automatically defaults the Content-Type response header field based on
the filename's extension. The callback fn(err) is invoked when the
transfer is complete or when an error occurs.
Warning
res.sendFile provides client-side cache through http cache headers but it does not cache...
How does C compute sin() and other math functions?
..., this is the code that actually runs when you call sin() on a typical x86-64 Linux system. It is apparently faster than the fsin assembly instruction. Source code: sysdeps/ieee754/dbl-64/s_sin.c, look for __sin (double x).
This code is very complex. No one software algorithm is as fast as possible...
SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...OnConnected" method it is not the same. How do I link to a User in the database? Thank you!
– Igor
May 1 '14 at 1:37
7
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GPU Emulator for CUDA programming without the hardware [closed]
...I've not tested it.
MCUDA
The MCUDA translation framework is a linux-based tool designed to
effectively compile the CUDA programming model to a CPU architecture.
It might be useful. Here is a link to the website.
CUDA Waste
It is an emulator to use on Windows 7 and 8. I've not tried it ...
What is the type of lambda when deduced with “auto” in C++11?
...unction pointer. When I performed following test, I found it to be wrong ( demo ).
6 Answers
...
How to convert a string from uppercase to lowercase in Bash? [duplicate]
...
Note that tr can only handle plain ASCII, making any tr-based solution fail when facing international characters.
Same goes for the bash 4 based ${x,,} solution.
The awk tool, on the other hand, properly supports even UTF-8 / multibyte input.
y="HELLO"
val=$(echo "$y" | awk '{p...
OS X10.9 环境下部署 QT5.3.1 常见的编译问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ork/Versions/5/QtCore
Referenced from: /Users/tonyOSX/Qt5.2.1/5.2.1/clang_64/bin/uic
Reason: image not found
make: *** [ui_mainwindow.h] Trace/BPT trap: 5
重装Qt，问题就能解决了。也极有可能不会再出现上述两个问题。
出错的原因
我之所以在上文中对该情况...