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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
... for in to iterate over arrays because the language does not garauntee the order in which for in will enumerate over an array. It might not be in numeric order. In addition, if you use the `for(i=0;i<array.length;i++) style construct, you can be sure that you're only iterating numeric indexes in ...
Find a value anywhere in a database
...E like case when len(@ColumnName) > 0 then @ColumnName else '%' end
order by c.TABLE_NAME, c.ORDINAL_POSITION
declare
@table_schema sysname
, @table_name sysname
, @column_name sysname
, @data_type sysname
, @exists nvarchar(4000) -- Can be max for SQL2005+
, @sql n...
How do you add swap to an EC2 instance?
...something higher.
To enable it by default after reboot, add this line to /etc/fstab:
/var/swap.1 swap swap defaults 0 0
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Open Redis port for remote connections
...the bind option to allow remote access on the redis server?
Before (file /etc/redis/redis.conf)
bind 127.0.0.1
After
bind 0.0.0.0
and run sudo service redis-server restart to restart the server. If that's not the problem, you might want to check any firewalls that might block the access.
Imp...
Python: split a list based on a condition?
...st comprehension far easier to read, and you don't have to worry about the order being messed up, duplicates being removed as so on.
In fact, I may go another step "backward", and just use a simple for loop:
images, anims = [], []
for f in files:
if f.lower() in IMAGE_TYPES:
images.ap...
specify project file of a solution using msbuild
...em work out the dependencies automatically.
If you are enforcing a build order using the sln file, I recommend working those dependencies directly into the proj files and removing them from the sln. This will allow you to invoke any proj file from MSBuild directly and the projects will all build ...
Python None comparison: should I use “is” or ==?
...hat == will do depends on the exact type of the operands and even on their ordering.
This recommendation is supported by PEP 8, which explicitly states that "comparisons to singletons like None should always be done with is or is not, never the equality operators."
...
What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
...changes that were made afterwards. I had to do a sync and then resolve in order to get the changes back in which were submitted after the backout.
– gdw2
Mar 22 '12 at 21:20
...
What's HTML character code 8203?
... "It must be inserted by some accident" - it's also known as a byte order mark.
– Jonathan Dickinson
Apr 29 '14 at 13:23
8
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What is the precise meaning of “ours” and “theirs” in git?
...of git history.
The 'theirs' refers to the version that holds the work in order to be rebased (changes to be replayed onto the current branch).
This may appear to be swapped to people who are not aware that doing rebasing (e.g. git rebase) is actually taking your work on hold (which is theirs) in ...