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The original intention in C++98 was that you should use <cstdint> in C++, to avoid pollu...
What is a “callback” in C and how are they implemented?
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Here is an example of callbacks in C.
Let's say you want to write some code that allows regis...
How can I use Autolayout to set constraints on my UIScrollview?
.... Check the entire constraint list for those views here: cl.ly/image/3l061i123j2i
– backslash-f
Apr 14 '15 at 19:51
1
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Read an Excel file directly from a R script
....7239 148.0940 255.0124 100
# readxl 122.0238 122.8448 132.4021 123.6964 130.2881 214.5138 100
# gdata 2004.4745 2042.0732 2087.8724 2062.5259 2116.7795 2425.6345 100
So readxl is the winner, with openxlsx competitive and gdata a clear loser. Taking each measure relative to th...
从Sloodle看三维虚拟学习环境的发展趋势 - 资讯 - 清泛网 - 专注C/C++及内核技术
...A., Thomas, M., Dodge, T., Carteaux, R., & Tuzun, H.(2005).Making learning fun: Quest A tlantis, a game without guns [A].Educational Technology Research and Development, 53(1) : 862107.
[3] Dede, C., Nelson, B., Ketelhut, D.J., & Bowman, C.(2003).Design2based research strategies for studying sit...
Conditional HTML Attributes using Razor MVC3
...sers named himself '/><script>$.post('changepassword.php?password=123')</script> and now any other user who views this page has their password instantly changed to a password that the malicious user knows.
sha...
How to encrypt String in Java
...ou need to pick a symmetric key Block Cipher. A Block Cipher is a computer function/program used to create Pseudo-Randomness. Pseudo-Randomness is fake randomness that no computer other than a Quantum Computer would be able to tell the difference between it and real randomness. The Block Cipher is l...
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...ion
from sklearn.preprocessing import FunctionTransformer
np.random.seed(123)
# General Functions
def func_exp(x, a, b, c):
"""Return values from a general exponential function."""
return a * np.exp(b * x) + c
def func_log(x, a, b, c):
"""Return values from a general log function...
Scheduling recurring task in Android
...k stackoverflow.com/questions/27872016/…
– dowjones123
Jan 10 '15 at 2:07
For simple things - like checking state ev...
Asking the user for input until they give a valid response
...u are not able to vote in the United States.")
Encapsulating it All in a Function
If you need to ask your user for a lot of different values, it might be useful to put this code in a function, so you don't have to retype it every time.
def get_non_negative_int(prompt):
while True:
tr...