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Return a value if no rows are found in Microsoft tSQL
...hat doesn't exist then I will get nothing returned. I'd prefer that false (0) is returned in that scenario. Looking for the simplest method to account for no records.
...
Formatting a float to 2 decimal places
...ass the format in to the ToString method, e.g.:
myFloatVariable.ToString("0.00"); //2dp Number
myFloatVariable.ToString("n2"); // 2dp Number
myFloatVariable.ToString("c2"); // 2dp currency
Standard Number Format Strings
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How do I execute a command and get the output of the command within C++ using POSIX?
...ited Dec 5 '18 at 2:16
gregpaton08
31122 silver badges77 bronze badges
answered Jan 26 '09 at 6:12
waqaswaqas
...
Add subdomain to localhost URL
...en (as root) the file /etc/hosts and add a line (or lines) like this:
127.0.0.1 example.com
127.0.0.1 subdomain.example.com
Your computer will now treat both example.com and subdomain.example.com as belonging to itself. If you visit either in your web browser, they will work the same, in pr...
Change date of git tag (or GitHub Release based on it)
...re-create new releases from the new tags
In code:
# Fixing tag named '1.0.1'
git checkout 1.0.1 # Go to the associated commit
git tag -d 1.0.1 # Locally delete the tag
git push origin :refs/tags/1.0.1 # Push this deletion up to GitHub
# Create the tag, with a date d...
How to calculate cumulative normal distribution?
...le:
>>> from scipy.stats import norm
>>> norm.cdf(1.96)
0.9750021048517795
>>> norm.cdf(-1.96)
0.024997895148220435
In other words, approximately 95% of the standard normal interval lies within two standard deviations, centered on a standard mean of zero.
If you need t...
How does collections.defaultdict work?
...efault items are created using int(), which will return the integer object 0. For the second example, default items are created using list(), which returns a new empty list object.
share
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improve ...
Set Matplotlib colorbar size to match graph
...
import numpy as np
plt.figure()
ax = plt.gca()
im = ax.imshow(np.arange(100).reshape((10,10)))
# create an axes on the right side of ax. The width of cax will be 5%
# of ax and the padding between cax and ax will be fixed at 0.05 inch.
divider = make_axes_locatable(ax)
cax = divider.append_axes("...
How to format numbers? [duplicate]
...I first wrote this answer, but the current status looks good.
var n = 100000;
var value = n.toLocaleString(
undefined, // leave undefined to use the browser's locale,
// or use a string like 'en-US' to override it.
{ minimumFractionDigits: 2 }
);
console.log(value);
// In en-US,...