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Counter increment in Bash loop not working
...a temp file for storing the intermediate value:
TEMPFILE=/tmp/$$.tmp
echo 0 > $TEMPFILE
# Loop goes here
# Fetch the value and increase it
COUNTER=$[$(cat $TEMPFILE) + 1]
# Store the new value
echo $COUNTER > $TEMPFILE
# Loop done, script done, delete the file
unlink $TEMPFILE
...
How to update a plot in matplotlib?
...tion:
import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(0, 6*np.pi, 100)
y = np.sin(x)
# You probably won't need this if you're embedding things in a tkinter plot...
plt.ion()
fig = plt.figure()
ax = fig.add_subplot(111)
line1, = ax.plot(x, y, 'r-') # Returns a tuple of line obj...
How to remove certain characters from a string in C++?
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140
string str("(555) 555-5555");
char chars[] = "()-";
for (unsigned int i = 0; i < s...
What is cardinality in MySQL?
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answered Apr 2 '10 at 10:55
Alexander TorstlingAlexander Torstling
16k66 gold badges5454 silver badges6868 bronze badges
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NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
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10 Answers
10
Active
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HTML5 dragleave fired when hovering a child element
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350
You just need to keep a reference counter, increment it when you get a dragenter, decrement when...
Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?
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20 Answers
20
Active
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IOS: create a UIImage or UIImageView with rounded corners
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Gustavo Barbosa
1,31011 gold badge1717 silver badges2727 bronze badges
answered Oct 9 '11 at 19:20
yinkouyinkou
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Tab Vs Space preferences in Vim
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+100
Creating a stab option in Vim itself would not be easy, but I've whipped up this command/function that you can drop in your .vimrc (o...