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serve current directory from command line
...y -run -e httpd . -p 9090 look at ruby-doc.org/stdlib-2.0.0/libdoc/un/rdoc/index.html. It's executing httpd method from un ruby standard library, thus require un.
– Gee-Bee
Sep 3 '14 at 9:45
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Git - fatal: Unable to create '/path/my_project/.git/index.lock': File exists
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Try
rm -f ./.git/index.lock
In your repository directory. The error message is rather explicit as to what causes it typically, so if you have no other git processes running (which is the normal case), go ahead and delete that file.
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Using numpy to build an array of all combinations of two arrays
... TypeError: slice indices must be integers or None or have an __index__ method thrown by cartesian(arrays[1:], out=out[0:m,1:])
– Boern
Sep 25 '17 at 15:48
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How do I auto-submit an upload form when a file is selected?
I have a simple file upload form. How do I make it submit automatically when a file has been selected? I don't want the user to have to click the Submit button.
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Add x and y labels to a pandas plot
...uccinctly: ax.set(xlabel="x label", ylabel="y label").
Alternatively, the index x-axis label is automatically set to the Index name, if it has one. so df2.index.name = 'x label' would work too.
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Remove the last character from a string [duplicate]
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really great!, at least for me... i am too searching for this..and found it here... thanks +1
– Mohammed Sufian
Jan 24 '14 at 21:45
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When do you use the “this” keyword? [closed]
... to other methods
To have an object return itself from a method
To declare indexers
To declare extension methods
To pass parameters between constructors
To internally reassign value type (struct) value.
To invoke an extension method on the current instance
To cast itself to another type
To chain con...
Passing parameters in rails redirect_to
...ram_1: 'value_1', param_2: 'value_2')
or
#if its a collection action like index, you can omit the id as follows
redirect_to action_name_resource_path(param_1: 'value_1', param_2: 'value_2')
#An example with nested resource is as follows:
redirect_to edit_user_project_path(@user, @project, param_1:...
SQL Server Management Studio won't let me add an index to a table
When I right click on the indexes folder in the table the "New Index" menu item is grayed out. I don't understand why. I've deleted all data in the table just in case, and refreshed and restarted SSMS, but no luck. I'm using SQL Server 2012 Business Intelligence SP1 CTP.
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jQuery trigger file input
...r;
position: absolute;
top: 0px;
right: 0px;
font-size: 100px;
z-index: 2;
opacity: 0.0; /* Standard: FF gt 1.5, Opera, Safari */
filter: alpha(opacity=0); /* IE lt 8 */
-ms-filter: "alpha(opacity=0)"; /* IE 8 */
-khtml-opacity: 0.0; /* Safari 1.x */
-moz-opacity: 0.0; /* FF lt ...