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Choose Git merge strategy for specific files (“ours”, “mine”, “theirs”)
...The index may contain unmerged entries because of a previous failed merge. By default, if you try to check out such an entry from the index, the checkout operation will fail and nothing will be checked out. Using -f will ignore these unmerged entries. The contents from a specific side of the merge c...
Java system properties and environment variables
... the two boils down to access. System environment variables are accessible by any process and Java system properties are only accessible by the process they are added to.
Also as Bohemian stated, env variables are set in the OS (however they 'can' be set through Java) and system properties are pass...
Adding hours to JavaScript Date object?
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Ran into issues with this solution - Incrementing by 1 failed for me at DST changeover point (move clock forward an hour).
– andrewb
Oct 2 '15 at 2:09
2
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What are “named tuples” in Python?
...king a tuple class. With that class we can create tuples that are callable by name also.
import collections
#Create a namedtuple class with names "a" "b" "c"
Row = collections.namedtuple("Row", ["a", "b", "c"])
row = Row(a=1,b=2,c=3) #Make a namedtuple from the Row class we created
print row ...
How to estimate how much memory a Pandas' DataFrame will need?
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df.memory_usage() will return how many bytes each column occupies:
>>> df.memory_usage()
Row_ID 20906600
Household_ID 20906600
Vehicle 20906600
Calendar_Year 20906600
Model_Year 20906600
...
To include indexes, pass ...
How to assign name for a screen? [closed]
... A quick note on C-a : syntax.... "All screen commands are prefixed by an escape key, by default C-a (that's Control-a, sometimes written ^a). To send a literal C-a to the programs in screen, use C-a a. This is useful when working with screen within screen. For example C-a a n will move scree...
How can I obfuscate (protect) JavaScript? [closed]
... YUI Compressor. It's a very popular tool, built, enhanced and maintained by the Yahoo UI team.
You may also use:
Google Closure Compiler
UglifyJS
UPDATE: This question was originally asked more than 10 years ago, and YUI is no longer maintained. Google Closure Compiler is still in use, and Ug...
CATALINA_OPTS vs JAVA_OPTS - What is the difference?
...use CATALINA_OPTS. So if you're setting environment variables for use only by Tomcat, you'll be best advised to use CATALINA_OPTS, whereas if you're setting environment variables to be used by other java applications as well, such as by JBoss, you should put your settings in JAVA_OPTS.
Source: CATA...
How to restore to a different database in sql server?
...m the toolbar, click the Activity Monitor button.
Click processes. Filter by the database you want to restore. Kill all running processes by right clicking on each process and selecting "kill process".
Right click on the database you wish to restore, and select Tasks-->Restore-->From Databas...
Database cluster and load balancing
...all a cluster a set of replicated servers.
Replication defines the method by which a set of servers remain synchronized without having to share the storage being able to be geographically disperse, there are two main ways of going about it:
master-master (or multi-master) replication: Any server ...