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What is the best way to conditionally apply a class?
...you have an array that is rendered in a ul with an li for each element and a property on the controller called selectedIndex . What would be the best way to add a class to the li with the index selectedIndex in AngularJS?
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How to set an environment variable only for the duration of the script?
... by temporarily setting HOME to a folder in the present working directory, and then launching the app.
3 Answers
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How do I create a unique ID in Java? [duplicate]
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Create a UUID.
String uniqueID = UUID.randomUUID().toString();
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Nested or Inner Class in PHP
... a class is useful to only one other class, then it is logical to
relate and embed it in that class and keep the two together.
It increases encapsulation.
Consider two top-level classes, A and B, where B needs access to
members of A that would otherwise be declared private. By hiding cla...
surface plots in matplotlib
...ing projection='3d' in add_subplot
import matplotlib.pyplot as plt
import random
def fun(x, y):
return x**2 + y
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
x = y = np.arange(-3.0, 3.0, 0.05)
X, Y = np.meshgrid(x, y)
zs = np.array(fun(np.ravel(X), np.ravel(Y)))
Z = zs.reshape(...
Cannot obtain value of local or argument as it is not available at this instruction pointer, possibl
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Go to Project Properties and under Build Make sure that the "Optimize Code" checkbox is unchecked.
Also, set the "Debug Info" dropdown to "Full" in the Advanced Options (Under Build tab).
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How to print struct variables in console?
...poses you have an instance of Project (in 'yourProject')
The article JSON and Go will give more details on how to retrieve the values from a JSON struct.
This Go by example page provides another technique:
type Response2 struct {
Page int `json:"page"`
Fruits []string `json:"fruits"`...
Visual Studio Post Build Event - Copy to Relative Directory Location
...tion under the same "base" folder. This parent folder is a relative part and can vary based on Source Control settings.
5...
Stream.Seek(0, SeekOrigin.Begin) or Position = 0
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Use Position when setting an absolute position and Seek when setting a relative position. Both are provided for convenience so you can choose one that fits the style and readability of your code. Accessing Position requires the stream be seekable so they're safely interch...
Check if a string contains a substring in SQL Server 2005, using a stored procedure
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CHARINDEX() searches for a substring within a larger string, and returns the position of the match, or 0 if no match is found
if CHARINDEX('ME',@mainString) > 0
begin
--do something
end
Edit or from daniels answer, if you're wanting to find a word (and not subcomponents of wo...