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Is it possible to specify a different ssh port when using rsync?
...h='ssh -p3382' root@remote_server_name:/opt/backups
refer to: http://www.linuxquestions.org/questions/linux-software-2/rsync-ssh-on-different-port-448112/
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MySQL “NOT IN” query
...mpile_machine | x86_64 |
| version_compile_os | Linux |
+-------------------------+------------------------------+
7 rows in set (0.07 sec)
mysql> select count(*) from TABLE_A where TABLE_A.Pkey not in (select distinct TABLE_B.Fkey from TABLE_B )...
Truly understanding the difference between procedural and functional
... style there is pretty hard to read compared the the "functional style" in python: def odd_words(words): return [x for x in words if odd(len(x))]
– boxed
Dec 12 '13 at 9:11
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Tool to read and display Java .class versions
...nly show the version:
WINDOWS> javap -verbose MyClass | find "version"
LINUX > javap -verbose MyClass | grep version
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How do I install cURL on cygwin?
... their dependencies, and more, just like using apt-get or yum on a regular linux shell.
– Moonlit
Sep 15 '15 at 6:17
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I change the capitalization of a directory and Git doesn't seem to pick up on it
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The reason for this is that LINUX-based OS or macOS ignore case sensitive for file/folder name. We need to resolve this problem by the below steps
For Exp, you want to change folder na
“Unable to find remote helper for 'https'” during git clone
...is exactly my case. I'm using "entware" on a Xpeonology system to get more Linux software packages, and after "opkg install git", the "git clone https://" will fail with error: fatal: Unable to find remote helper for 'https'. Thank you for mentioning this "git-http" package.
– ...
What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?
...'t have to handle such non-zero numeric fields specially. An example using Python's sqlite3 module would be,
conn_or_cursor.execute(
"INSERT INTO table VALUES (" + ",".join("?" * num_values) + ")",
str_value_tuple) # no need to convert some from str to int/float
In the above example, ...
How to import a single table in to mysql database using command line
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Linux :
In command line
mysql -u username -p databasename < path/example.sql
put your table in example.sql
Import / Export for single table:
Export table schema
mysqldump -u username -p databasename tableName &...
Rename specific column(s) in pandas
...lse x, axis=1)
Index.str.replace
Similar to replace method of strings in python, pandas Index and Series (object dtype only) define a ("vectorized") str.replace method for string and regex-based replacement.
df.columns = df.columns.str.replace('gdp', 'log(gdp)')
df
y log(gdp) cap
0 x ...