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Sending files using POST with HttpURLConnection
... Bitmap to ByteBuffer:
//I want to send only 8 bit black & white bitmaps
byte[] pixels = new byte[bitmap.getWidth() * bitmap.getHeight()];
for (int i = 0; i < bitmap.getWidth(); ++i) {
for (int j = 0; j < bitmap.getHeight(); ++j) {
//we're interested only in the MSB of the fir...
移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... ideal viewport的宽度为480时，取的是ideal viewport的宽度。（ps:在uc9浏览器中，当initial-scale=1时，无论width属性的值为多少，此时viewport的宽度永远都是ideal viewport的宽度）
最后，总结一下，要把当前的viewport宽度设为ideal viewport的宽...
What's the difference between using “let” and “var”?
... create immediately invoked functions to capture correct value from the loops but that was also hairy.
Hoisting
While variables declared with var keyword are hoisted (initialized with undefined before the code is run) which means they are accessible in their enclosing scope even before they are de...
How can you use an object's property in a double-quoted string?
...ackage'='fully loaded'; }
Create an object:
$car = New-Object -typename psobject -Property $properties
Interpolate a string:
"The {0} car is a nice {1} that is {2}" -f $car.color, $car.type, $car.package
Outputs:
# The red car is a nice sedan that is fully loaded
...
How can I plot with 2 different y-axes?
....8 2015
75.2 2.0 74.6 2.3 74.2 1.7 2020
76.0 2.0 75.4 2.2 75.2 1.6 2025
76.8 1.9 76.2 2.1 76.1 1.6 2030
77.6 1.9 76.9 2.1 77.1 1.6 2035
78.4 1.9 77.6 2.0 77.9 1.7 2040
79.1 1.8 78.3 1.9 78.7 1.7 2045
79.8 1.8 79.0 1.9 79.5 1.7 2050
80.5 1.8 79.7 1.9 80.3 1.7 2055
81....
Android Respond To URL in Intent
...work for someone, refer this please: stackoverflow.com/a/21727055/2695276 PS: struggled for days over this.
– Rajat Sharma
Jan 2 '15 at 21:08
1
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How to correctly sort a string with a number inside? [duplicate]
...
Perhaps you are looking for human sorting (also known as natural sorting):
import re
def atoi(text):
return int(text) if text.isdigit() else text
def natural_keys(text):
'''
alist.sort(key=natural_keys) sorts in hum...
How can I extract all values from a dictionary in Python?
...f': 5}, {'g': 6}]}
list(get_all_values(d)) # returns [1, 2, 3, 4, 5, 6]
PS: I love yield. ;-)
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How to take off line numbers in Vi?
...
Stop showing the line numbers:
:set nonu
Its short for :set nonumber
ps. These commands are to be run in normal mode.
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Select Pandas rows based on list index
...he above codes. Check it using %timeit function:
df[df.index.isin([1,3])]
PS: You figure out the reason
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