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How can I determine if a String is non-null and not only whitespace in Groovy?
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tim_yatestim_yates
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3
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npm install vs. update - what's the difference?
...in package.json:
{
"name": "my-project",
"version": "1.0", // install update
"dependencies": { // ------------------
"already-installed-versionless-module": "*", // ignores "1.0" -> "1.1"
"already...
git: switch branch without detaching head
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edited May 5 '14 at 16:40
user456814
answered Jan 22 '09 at 23:44
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PowerShell script not accepting $ (dollar) sign
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answered Oct 23 '09 at 18:23
Shankar R10NShankar R10N
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How to export plots from matplotlib with transparent background?
...e keyword argument transparent=True to save the image as a png file.
In [30]: x = np.linspace(0,6,31)
In [31]: y = np.exp(-0.5*x) * np.sin(x)
In [32]: plot(x, y, 'bo-')
Out[32]: [<matplotlib.lines.Line2D at 0x3f29750>]
In [33]: savefig('demo.png', transparent=True)
Result:
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Rails: Check output of path helper from console
..., you can call app.post_path. This will work in Rails ~= 2.3 and >= 3.1.0.
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Display current date and time without punctuation
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edited May 15 '18 at 10:13
answered Dec 12 '13 at 18:41
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How to git log in reverse order?
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340
Use the --reverse option:
git log --reverse
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Determining complexity for recursive functions (Big O notation)
...O notation, for each function:
int recursiveFun1(int n)
{
if (n <= 0)
return 1;
else
return 1 + recursiveFun1(n-1);
}
This function is being called recursively n times before reaching the base case so its O(n), often called linear.
int recursiveFun2(int n)
{
if (n &...
jQuery selectors on custom data attributes using HTML5
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1030
$("ul[data-group='Companies'] li[data-company='Microsoft']") //Get all elements with data-comp...