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Adding header for HttpURLConnection
...ntials = "username:password";
String basicAuth = "Basic " + new String(Base64.getEncoder().encode(userCredentials.getBytes()));
myURLConnection.setRequestProperty ("Authorization", basicAuth);
myURLConnection.setRequestMethod("POST");
myURLConnection.setRequestProperty("Content-Type", "application/...
How to measure time in milliseconds using ANSI C?
...lude <stdio.h>
#include <stdint.h>
#include <time.h>
int64_t timespecDiff(struct timespec *timeA_p, struct timespec *timeB_p)
{
return ((timeA_p->tv_sec * 1000000000) + timeA_p->tv_nsec) -
((timeB_p->tv_sec * 1000000000) + timeB_p->tv_nsec);
}
int main(in...
Unable to load DLL 'SQLite.Interop.dll'
...copies all the Sqlite dll-s except the 'SQLite.Interop.dll' (both x86 and x64 folder).
The solution was very simple: just add the Sqlite.Core package as a dependency (with NuGet) to the project you are building/running and the dll-s will be copied.
...
How to check if running in Cygwin, Mac or Linux?
...
If I run a script under cygwin by executing "\cygwin64\bin\bash -c scriptname", this doesn't necessarily work. In this situation, the cygwin path doesn't get set up and uname -s ends up calling whatever uname is first in your current path, which on my system turns out to be t...
Unexpected results when working with very big integers on interpreted languages
... supports arbitrary precision. It will produce the correct answer on 32 or 64 bit platforms.
This can be seen by raising 2 to a power far greater than the bit width of the platform:
>>> 2**99
633825300114114700748351602688L
You can demonstrate (with Python) that the erroneous values yo...
How does this print “hello world”?
...
The number 4946144450195624 fits 64 bits, its binary representation is:
10001100100100111110111111110111101100011000010101000
The program decodes a character for every 5-bits group, from right to left
00100|01100|10010|01111|10111|11111|01111|01100|011...
Stack Overflow：StackExchange网络不同主题网站的”祖父“ - 更多技术 - ...
...了这些问题，促进他们作出改变。
问：几周前库茨和一位微软必应高管发生了争执，后者指责谷歌借搜索引擎作弊者牟利，你觉得这种说法有道理吗？
答：确实有很多作弊网站以谷歌Adsense广告作为唯一的盈利方式，不过指责...
泡在Stack Overflow答题30天 - 创意 - 清泛网 - 专注C/C++及内核技术
...不知道他们甚至有个专属用词，直到某天有个用户斥责一位问题提问者为“求助吸血鬼”我才知道。
我就曾经为几个看起来像“求助吸血鬼”的用户回答过问题，接着就一发不可收拾了。他们通常采纳了我的答案接着在再答案...
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()
...
Hiding a password in a python script (insecure obfuscation only)
...
Base64 encoding is in the standard library and will do to stop shoulder surfers:
>>> import base64
>>> print(base64.b64encode("password".encode("utf-8")))
cGFzc3dvcmQ=
>>> print(base64.b64decode("cGFz...