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Prompt for user input in PowerShell
...tring input from a user.
$name = Read-Host 'What is your username?'
To hide passwords you can use:
$pass = Read-Host 'What is your password?' -AsSecureString
To convert the password to plain text:
[Runtime.InteropServices.Marshal]::PtrToStringAuto(
[Runtime.InteropServices.Marshal]::Secur...
How to change a module variable from another module?
...bar.bar.a approach won't help much in most use cases. It's probably a weak idea to mix compile or module loading and runtime assignments because you'll end up confusing yourself (or others that use your code). Especially in languages that behave somewhat inconsistently about it, like python arguably...
Simple logical operators in Bash
...t works (it would work if all the variables were numbers), but it's not an idiomatic way at all.
(…) parentheses indicate a subshell. What's inside them isn't an expression like in many other languages. It's a list of commands (just like outside parentheses). These commands are executed in a sep...
How to access parameters in a RESTful POST method
... following:
@POST @Consumes("application/json")
@Path("/create")
public void create(final MyJaxBean input) {
System.out.println("param1 = " + input.param1);
System.out.println("param2 = " + input.param2);
}
This method expects to receive JSON object as the body of the HTTP POST. JAX-RS p...
How to resize an image with OpenCV2.0 and Python2.6
...0,0), fx=0.5, fy=0.5)
and this will resize the image to have 100 cols (width) and 50 rows (height):
resized_image = cv2.resize(image, (100, 50))
Another option is to use scipy module, by using:
small = scipy.misc.imresize(image, 0.5)
There are obviously more options you can read in the doc...
What is the difference between ui-bootstrap-tpls.min.js and ui-bootstrap.min.js?
... code. If you only included ui-bootstrap.min.js, you will also need to provide your own HTML templates.
Otherwise you will see something like:
GET http://localhost:8989/hello-world/template/tooltip/tooltip-popup.html 404 (Not Found) angular.js:7073
Error: [$compile:tpload] http://errors.angularjs....
Set Colorbar Range in matplotlib
..., 1024)
x = np.arange(0, 10, .1)
y = np.arange(0, 10, .1)
X, Y = np.meshgrid(x,y)
data = 2*( np.sin(X) + np.sin(3*Y) )
def do_plot(n, f, title):
#plt.clf()
plt.subplot(1, 3, n)
plt.pcolor(X, Y, f(data), cmap=cm, vmin=-4, vmax=4)
plt.title(title)
plt.colorbar()
plt.figure()
do...
show all tags in git log
...ctly pointed out in the comment:
Make sure you study this thread, as overriding a signed tag is not as easy:
if you already pushed a tag, the git tag man page seriously advised against a simple git tag -f B to replace a tag name "A"
don't try to recreate a signed tag with git tag -f (see the thre...
Sort Go map values by keys
...This is because it used to be predictable, and the Go language developers didn't want people relying on unspecified behavior, so they intentionally randomized it so that relying on this behavior was impossible.
What you'll have to do, then, is pull the keys into a slice, sort them, and then range o...
In C# what is the difference between a destructor and a Finalize method in a class?
...
A destructor in C# overrides System.Object.Finalize method. You have to use destructor syntax to do so. Manually overriding Finalize will give you an error message.
Basically what you are trying to do with your Finalize method declaration is hidin...