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Change text color based on brightness of the covered background area?
...article to determine a suitable foreground color:
function getContrastYIQ(hexcolor){
hexcolor = hexcolor.replace("#", "");
var r = parseInt(hexcolor.substr(0,2),16);
var g = parseInt(hexcolor.substr(2,2),16);
var b = parseInt(hexcolor.substr(4,2),16);
var yiq = ((r*299)+(g*587)+...
What type of hash does WordPress use?
...
thanks but i thought md5 hashes had to be in hex, like this: b1946ac92492d2347c6235b4d2611184 why does this hash have chars A-Z and . in it? is it a md5 hash?
– Amanda Kumar
Jun 25 '09 at 21:00
...
Is there a C++ decompiler? [closed]
...
You can use IDA Pro by Hex-Rays. You will usually not get good C++ out of a binary unless you compiled in debugging information. Prepare to spend a lot of manual labor reversing the code.
If you didn't strip the binaries there is some hope as IDA ...
Good Hash Function for Strings
...failed. You can use this function to do that.
private static final char[] hex = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
public static String byteArray2Hex(byte[] bytes) {
StringBuffer sb = new StringBuffer(bytes.length * 2);
for(final byte b : by...
Getting a File's MD5 Checksum in Java
....zip"))) {
String md5 = org.apache.commons.codec.digest.DigestUtils.md5Hex(is);
}
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Importing variables from another file?
...orrect. Actually, you can print the memory address for the variables print(hex(id(libvar)) and you can see the addresses are different.
# mylib.py
libvar = None
def lib_method():
global libvar
print(hex(id(libvar)))
# myapp.py
from mylib import libvar, lib_method
import mylib
lib_method()...
How can I get the sha1 hash of a string in node.js?
...var shasum = crypto.createHash('sha1')
shasum.update('foo')
shasum.digest('hex') // => "0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33"
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Understanding Python's “is” operator
...ider this:
>>> a = [1,2,3]
>>> b = [1,2,3]
>>> hex(id(a))
'0x1079b1440'
>>> hex(id(b))
'0x107960878'
>>> a is b
False
>>> a == b
True
>>>
The above example shows you that the identity (can also be the memory address in Cpython) is dif...
Named colors in matplotlib
...e are ten distinct colors:
HTML
You can also plot colors by their HTML hex code:
plt.plot([1,2], lw=4, c='#8f9805')
This is more similar to specifying and RGB tuple rather than a named color (apart from the fact that the hex code is passed as a string), and I will not include an image of the ...
使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网
...，我们主要关注提供通过这种通信方法与 BLE 设备连接的模块。 当智能手机找到想要连接的设备时，它将启动连接。 智能手机现在通过管理定时以及从传感器发送或接收数据来承担中央或主角色，而传感器在此连接期间仅扮演...