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Recursively counting files in a Linux directory
...s).
Remarks:
the first line is a count of files, directories, symlinks, etc all together, that's why it is bigger than the second line.
the --dry-run (or -n for short) option is important to not actually transfer the files!
I used the -x option to "don't cross filesystem boundaries", which means ...
Exit single-user mode
...aced with an error message that the given database is in single user mode, etc.
– youcantryreachingme
Apr 10 '19 at 3:42
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How to increment datetime by custom months in python without using library [duplicate]
...t works just like timedelta but for calendar months rather than days/hours/etc.
Here's an example:
from monthdelta import MonthDelta
def prev_month(date):
"""Back one month and preserve day if possible"""
return date + MonthDelta(-1)
Compare that to the DIY approach:
def prev_month(dat...
Deserialize JSON with C#
...y (package) that remains all anonymous: "JSONObject["param"].JSONarray(5)" etc
– sports
Apr 4 '14 at 14:06
2
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Create table with jQuery - append
...lt;/table>), and $('<tr/>') instead of $('<tr></tr>), etc.
– phyatt
Feb 28 '18 at 14:08
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How to programmatically determine the current checked out Git branch [duplicate]
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That can be used within $() and passed easily in Bash, Powershell, Perl, etc. It isn't fooled if you have several branches on the commit you are on, and if you currently aren't on a branch, it simply replies with "HEAD".
Alternatively, you can use
git symbolic-ref --short -q HEAD
Which will g...
Importing files from different folder
...t be restricted from certain system changes (creating or modifying a file, etc) like during testing.
– Scott Prive
Mar 3 '16 at 18:59
37
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How to 'grep' a continuous stream?
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Turn on grep's line buffering mode when using BSD grep (FreeBSD, Mac OS X etc.)
tail -f file | grep --line-buffered my_pattern
You don't need to do this for GNU grep (used on pretty much any Linux) as it will flush by default (YMMV for other Unix-likes such as SmartOS, AIX or QNX).
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Convert integer into byte array (Java)
...er what size the input integer is. If you only want 2 bytes, use putShort, etc ...
– bvdb
Jan 26 '15 at 9:07
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Difference between Java Enumeration and Iterator
...that the 'old' collection implementations in java.util (HashSet, ArrayList etc.) exhibit this behaviour. However, the newer 'concurrent' collections will never throw a ConcurrentModificationException, they will traverse the collection as of the time of creation of the iterator. Other implementations...