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Search for executable files using find command
...xecutable predicate in GNU find. In particular, -executable tests that the file can be executed by the current user, while -perm +111 just tests if any execute permissions are set.
Older versions of GNU find also support the -perm +111 syntax, but as of 4.5.12 this syntax is no longer supported. In...
Get a list of all the files in a directory (recursive)
I'm trying to get (not print, that's easy) the list of files in a directory and its sub directories.
4 Answers
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No appenders could be found for logger(log4j)?
... add this standard log4j.properties (taken from the above mentioned guide) file to your classpath:
# Set root logger level to DEBUG and its only appender to A1.
log4j.rootLogger=DEBUG, A1
# A1 is set to be a ConsoleAppender.
log4j.appender.A1=org.apache.log4j.ConsoleAppender
# A1 uses PatternLayo...
git update-index --assume-unchanged returns “fatal unable to mark file”
... indicated above, and had the same results. This included the fact that my file was listed when executing git ls-files -o. However in my case, I also tried executing git update-index --assume-unchanged against a file that was not listed when executing ls-files -o, and I still received the same erro...
How to convert a PNG image to a SVG? [closed]
...
potrace does not support PNG as input file, but PNM.
Therefore, first convert from PNG to PNM:
convert file.png file.pnm # PNG to PNM
potrace file.pnm -s -o file.svg # PNM to SVG
Explain options
potrace -s => Output file is SVG
potrace -o file.sv...
Unzip a file with php
I want to unzip a file and this works fine
12 Answers
12
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Bash array with spaces in elements
I'm trying to construct an array in bash of the filenames from my camera:
10 Answers
1...
What is the difference between single and double quotes in SQL?
...VING and also in some built-in SQL functions like CONCAT, STRPOS, POSITION etc.
When you want to use an alias that has space in between then you can use double quotes to refer to that alias.
For example
(select account_id,count(*) "count of" from orders group by 1)sub
Here is a subquery from a...
Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
...s to strings and number values, using == or != or <, > >=, <=, etc.
You can assign an integer to a variable and then get true or false based on that variable value.
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What is the use of ObservableCollection in .net?
...ing from the list: she get's a notification on her phone (i.e. sms / email etc)!
The observable collection works just the same way. If you add or remove something to or from it: someone is notified. And when they are notified, well then they call you and you'll get a ear-full. Of course the conseque...