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Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
...g &
[1] 5636
$ ls -l /proc/5636/fd
total 0
lrwx------ 1 myuser myuser 64 Feb 27 07:36 0 -> /dev/pts/0
lrwx------ 1 myuser myuser 64 Feb 27 07:36 1 -> /dev/pts/0
lrwx------ 1 myuser myuser 64 Feb 27 07:36 2 -> /dev/pts/0
lr-x------ 1 myuser myuser 64 Feb 27 07:36 3 -> /var/log/lastlo...
How do I achieve the theoretical maximum of 4 FLOPs per cycle?
... point operations (double precision) per cycle be achieved on a modern x86-64 Intel CPU?
4 Answers
...
How to get started with developing Internet Explorer extensions?
...I'm updating this answer to work with Internet Explorer 11, in Windows 10 x64 with Visual Studio 2017 Community.
The previous version of this answer (for Internet Explorer 8, in Windows 7 x64 and Visual Studio 2010) is at the bottom of this answer.
Creating a Working Internet Explorer 11 Add-on
I ...
VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...gle大神一搜，原来这条路已经有很多先行者试过了，结论是VS2005不能用内嵌汇编的方式build ARM汇编代码！
俗话说的好啊，机器是死的，人是活的！
google大神给我指出了一条通向光明的道路： VS2005中是可以对纯粹的arm汇编文...
Android SDK installation doesn't find JDK
I'm trying to install the Android SDK on my Windows 7 x64 System.
45 Answers
45
...
Swift Beta performance: sorting arrays
...ift[i] = CInt(random())
x_c[i] = CInt(random())
}
let swift_start:UInt64 = mach_absolute_time();
quicksort_swift(&x_swift, 0, x_swift.count)
let swift_stop:UInt64 = mach_absolute_time();
let c_start:UInt64 = mach_absolute_time();
quicksort_c(&x_c, CInt(x_c.count))
let c_stop:UInt64 = m...
How to hash a password
...t+hash into a string for storage
string savedPasswordHash = Convert.ToBase64String(hashBytes);
DBContext.AddUser(new User { ..., Password = savedPasswordHash });
STEP 5 Verify the user-entered password against a stored password
/* Fetch the stored value */
string savedPasswordHash = DBContext.Ge...
Asynchronously load images with jQuery
... are actually two options to use AJAX style for this:
Solution 1
Use Base64 image data and a REST image service. If you have your own webservice, you can add a JSP/PHP REST script that offers images in Base64 encoding. Now how is that useful? I came across a cool new syntax for image encoding:
&...
VIP会员中心 · App Inventor 2 中文网，少儿编程陪伴者
... 我家孩子在学校里学习编程已经有一段时间了，但是在App Inventor 2 中文网的少儿编程课程中，他真正掌握了如何将自己的创意变成实际的App。平台提供非常好的启蒙教育资源，非常适合孩子们。 ...
Encrypt & Decrypt using PyCrypto AES 256
...of the key and secret phrase with 32 bytes and iv to 16 bytes:
import base64
import hashlib
from Crypto import Random
from Crypto.Cipher import AES
class AESCipher(object):
def __init__(self, key):
self.bs = AES.block_size
self.key = hashlib.sha256(key.encode()).digest()
...