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How to install Boost on Ubuntu
... haha this screws up my system for good. i think it's the last 2 items.
– thang
Feb 27 '19 at 8:03
old link ...
Cross-thread operation not valid: Control accessed from a thread other than the thread it was create
...tion.
Since there is only one thread, all UI operations are queued as work items into that thread:
If there is no work for UI thread, then there are idle gaps that can be used by a not-UI related computing.
In order to use mentioned gaps use System.Windows.Forms.Control.Invoke or System.Windows...
How do I find the install time and date of Windows?
...h = 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion'
PS > $id = get-itemproperty -path $path -name InstallDate
PS > $d = get-date -year 1970 -month 1 -day 1 -hour 0 -minute 0 -second 0
## add to hours (GMT offset)
## to get the timezone offset programatically:
## get-date -f zz
PS > ($d...
Best GUI designer for eclipse? [closed]
I'm looking for a good GUI designer for swing in eclipse. My preference is for a free/open-source plugin.
12 Answers
...
How to remove a key from a Python dictionary?
...r=1)
2.09e-06
>>> timeit.timeit("d2 = {key: val for key, val in d.items() if key != 3}", setup=setup, number=1)
0.00786
But when the key doesn't exist if key in my_dict: del my_dict[key] is slightly faster than my_dict.pop(key, None). Both are at least three times faster than del in a try...
Is there an easy way to return a string repeated X number of times?
...ing to insert a certain number of indentations before a string based on an items depth and I'm wondering if there is a way to return a string repeated X times. Example:
...
What approaches are available to dummy design-time data in WPF?
... nicely (Textboxes and TextBlocks, etc). But especially when dealing with ItemsControl and the like, one really needs sample data to be visible in the designer so that you can adjust and tweak controls and data templates without having to run the executable.
...
How to determine an interface{} value's “real” type?
... case []interface {}:
for i,n := range t {
fmt.Printf("Item: %v= %v\n", i, n)
}
default:
var r = reflect.TypeOf(t)
fmt.Printf("Other:%v\n", r)
}
}
share
...
Best way to add comments in erb
How do we add comments in erb files, if we do not want them to be generated into the html content?
7 Answers
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Peak-finding algorithm for Python/SciPy
...neighbours, which is not useful here. prominence is the one that gives the best solution. Note that you can combine many of these parameters!
Code:
import numpy as np
import matplotlib.pyplot as plt
from scipy.signal import find_peaks
x = np.sin(2*np.pi*(2**np.linspace(2,10,1000))*np.arange(1000...