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Play a Sound with Python [duplicate]
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You can use 2to3.py to convert tkSnack.py to Python 3. Place tkSnack.py into the "Lib" folder in your Python directory. Then place the snacklib folder into the "tcl" folder in your Python directory. Tested on Python 3.2.
– jac...
reformat in vim for a nice column layout
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@metrix, here is a very clumsy workaround: 1) convert spaces inside delimiters into a different character, 2) then run column as described in the post, 3) then replace your delimiters back to spaces. An example command in visual mode for step #1 is: '<,'>s/"\(\w\+\...
JavaScript variable number of arguments to function
... method concat returns a copy of the 'array' it's called on, we can easily convert the arguments object to a real array like this: var args = [].concat.call(arguments). Some people prefer to use Array.prototype.concat.call instead, but I like the [], they are short and sweet!
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Encoding as Base64 in Java
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You can also convert using Base64 encoding. To do this, you can use the javax.xml.bind.DatatypeConverter#printBase64Binary method.
For example:
byte[] salt = new byte[] { 50, 111, 8, 53, 86, 35, -19, -47 };
System.out.println(DatatypeCo...
MySQL and GROUP_CONCAT() maximum length
I'm using GROUP_CONCAT() in a MySQL query to convert multiple rows into a single string.
However, the maximum length of the result of this function is 1024 characters.
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Set transparent background of an imageview on Android
...the percentage number by 100 and multiply by 255 to get the decimal value. Convert the decimal to hexadecimal here.
For example, for 50%, 50/100 * 255 = 127. Using the link we get hexadecimal value 7F.
Source: Android: how to create a transparent or opaque background
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Django template how to look up a dictionary value with a variable
...he function is in the form of a string, so perhaps use ast.literal_eval to convert the string to a dictionary first, like in this example.
With this edit, the code should look like this:
# code for custom template tag
@register.filter(name='lookup')
def lookup(value, arg):
value_dict = ast.liter...
How can I recursively find all files in current and subfolders based on wildcard matching?
... image was copied from GitHub, but I believe they're using asciinema, then converted to GIF format, but I'm not sure.
– kenorb
Feb 11 '19 at 23:38
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How to find the duration of difference between two dates in java?
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Alternatively long diffInSeconds = TimeUnit.SECONDS.convert(duration,TimeUnit.MILLSECONDS);
– gerardw
Jul 3 '14 at 16:50
3
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How to change letter spacing in a Textview?
.... I get an error like this: "1.2dp" in attribute "letterSpacing" cannot be converted to float."
– dopatraman
Jan 16 '16 at 20:19
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