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Command line: piping find results to rm
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You are actually piping rm's output to the input of find. What you want is to use the output of find as arguments to rm:
find -type f -name '*.sql' -mtime +15 | xargs rm
xargs is the command that "converts" its standard input into arg...
How to set DialogFragment's width and height?
I specify the layout of my DialogFragment in an xml layout file (let's call it layout_mydialogfragment.xml ), and its layout_width and layout_height attributes particularly (to be 100dp each let's say). I then inflate this layout in my DialogFragment's onCreateView(...) method as follows:
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TypeError: 'dict_keys' object does not support indexing
...keys object behaves a lot more like just the keys half of a dict. Specifically, they support O(1) membership testing (and other set-like methods that can be implemented efficiently on top of that fact). These things aren't possible with a list and if you want a list of the dict's keys, you've alwa...
How do I find out if first character of a string is a number?
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Character.isDigit(string.charAt(0))
Note that this will allow any Unicode digit, not just 0-9. You might prefer:
char c = string.charAt(0);
isDigit = (c >= '0' && c <= '9');
Or the slower regex solutions:
s.substring(0, 1).matches("\\d")
// or the equivalent
s.su...
fetch from origin with deleted remote branches?
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thank you very much. I manually deleted those branches before.
– Maksim Dmitriev
Mar 9 '13 at 13:16
4
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Cannot kill Python script with Ctrl-C
...you can't do anything with it after it exits. The process will finish when all non-daemon threads have finished; parent-child relationships don't come into that.
– Thomas K
Dec 6 '13 at 22:22
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How does one output bold text in Bash?
...e end of the sequence
1 - Bold attribute (see below for more)
[0m - resets all attributes, colors, formatting, etc.
The possible integers are:
0 - Normal Style
1 - Bold
2 - Dim
3 - Italic
4 - Underlined
5 - Blinking
7 - Reverse
8 - Invisible
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Please explain about insertable=false and updatable=false in reference to the JPA @Column annotation
...e is useful when you need to map a field more than once in an entity, typically:
when using a composite key
when using a shared primary key
when using cascaded primary keys
This is IMO not a semantical thing, but definitely a technical one.
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Android - custom UI with custom attributes
...="dimension"/>
</declare-styleable>
</resources>
Basically you have to set up one <declare-styleable /> for your view that contains all your custom attributes (here just one). I never found a full list of possible types, so you need to look at the source for one I guess. T...
How to find out element position in slice?
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this does not find the original index; rather it loses all the indexes by re-ordering them
– newacct
Nov 29 '11 at 20:16
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