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How to create “No Activate” form in Firemonkey
In XCode by adding these methods to your NSView subclass can prevent the window from becoming active when clicking on it:
2...
Are +0 and -0 the same?
... +0 = 0. However, in computing, some number representations allow for the existence of two zeros, often denoted by −0 (negative zero) and +0 (positive zero). This occurs in some signed number representations for integers, and in most floating point number representations. The number 0 is usually e...
How can I set the color of a selected row in DataGrid
...such as linear gradient.
<DataGrid.Resources>
<SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}"
Color="#FF0000"/>
</DataGrid.Resources>
share
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Histogram Matplotlib
...
import matplotlib.pyplot as plt
import numpy as np
mu, sigma = 100, 15
x = mu + sigma * np.random.randn(10000)
hist, bins = np.histogram(x, bins=50)
width = 0.7 * (bins[1] - bins[0])
center = (bins[:-1] + bins[1:]) / 2
plt.bar(center, hist, align='center', width=width)
plt.show()
The object-...
两大桌面系统之战:Yosemite vs Windows 10 - 操作系统(内核) - 清泛网 - ...
...标准,但是 Windows 10 更新中的特性和功能是否足以和 OS X Yosemite 竞争?
全新 Windows 10 操作系统已经在 7 月 29 日正式发布。就和移动行业中的 iOS 和 Android 操作系统一样,新版本一出都免不了被互相比较的命运。今天我们...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...t, 32-bit machine)(from here):
unsigned int
reverse(register unsigned int x)
{
x = (((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1));
x = (((x & 0xcccccccc) >> 2) | ((x & 0x33333333) << 2));
x = (((x & 0xf0f0f0f0) >> 4) | ((x & 0x0...
Order discrete x scale by frequency/value
I am making a dodged bar chart using ggplot with discrete x scale, the x axis are now arranged in alphabetical order, but I need to rearrange it so that it is ordered by the value of the y-axis (i.e., the tallest bar will be positioned on the left).
...
Get IP address of visitors using Flask for Python
... then get from this same Request object, the attribute remote_addr.
Code example
from flask import request
from flask import jsonify
@app.route("/get_my_ip", methods=["GET"])
def get_my_ip():
return jsonify({'ip': request.remote_addr}), 200
For more information see the Werkzeug documentatio...
Split by comma and strip whitespace in Python
...as a for loop.
my_string = "blah, lots , of , spaces, here "
result = [x.strip() for x in my_string.split(',')]
# result is ["blah", "lots", "of", "spaces", "here"]
See: Python docs on List Comprehension
A good 2 second explanation of list comprehension.
...
Merging: Hg/Git vs. SVN
...it and...) are better at merging than SVN but I have never seen practical examples of where Hg/Git can merge something where SVN fails (or where SVN needs manual intervention). Could you post a few step-by-step lists of branch/modify/commit/...-operations that show where SVN would fail while Hg/Git ...
