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How to return an NSMutableArray from an NSSet
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I resolved crashing by using NSMutableArray's method 'addObjectsFromArray' to assign all NSSet objects to NSMutableArray like:
[mutableArray addObjectsFromArray:[cg_Schedule.schedule_Days allObjects]];
Hope this will helps you.
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How do I move a redis database from one server to another?
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Save a snapshot of the database into a dump.rdb by either running BGSAVE or SAVE from the command line. This will create a file named dump.rdb in the same folder as your redis server. See a list of all server commands.
Copy this dump.rdb to the other redis server you want...
Get all keys of an NSDictionary as an NSArray
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the order of keys returned by allKeys is undefined... so allKeys.firstObject or allKeys][0] is dangerous either way
– Brad Thomas
Feb 24 '17 at 19:39
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How to remove old Docker containers
...er ps --no-trunc -aq`
will remove all containers in an elegant way.
And by Bartosz Bilicki, for Windows:
FOR /f "tokens=*" %i IN ('docker ps -a -q') DO docker rm %i
For PowerShell:
docker rm @(docker ps -aq)
An update with Docker 1.13 (Q4 2016), credit to VonC (later in this thread):
doc...
What is the most efficient way to create a dictionary of two pandas Dataframe columns?
...so that you can sort it using `sorted()`
sorted(df.values.tolist()) # Sort by key
Or:
# Sort by value:
from operator import itemgetter
sorted(df.values.tolist(), key=itemgetter(1))
[out]:
[['a', 1], ['b', 2], ['c', 3], ['d', 4], ['e', 5]]
Lastly, cast the list of list of 2 elements into a di...
Download a specific tag with Git
...Note: Per the Git manual, passing the --depth flag implies --single-branch by default.
--depth
Create a shallow clone with a history truncated to the specified number of commits. Implies --single-branch unless --no-single-branch is given to fetch the histories near the tips of all branches...
File extension for PowerShell 3
...e that they chose ps1 to avoid conflicts with ps, which was already in use by Adobe Photoshop. Other sources say that versioning had been indeed the reason to call it ps1, but they dropped this idea when introducing PS 2 (official source).
– ComFreek
Sep 8 '14 ...
What's the purpose of git-mv?
...ves at a time, Git became confused and did not track the changes properly. By the way, in my experiments the same happened when I deleted/created files instead of using git mv. Proceed with care; you've been warned...
share
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ASP.NET MVC: Is Controller created for every request?
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A Controller is created for every request by the ControllerFactory (which by default is the DefaultControllerFactory).
http://msdn.microsoft.com/en-us/library/system.web.mvc.defaultcontrollerfactory.aspx
Note that the Html.Action Html Helper will create another con...
Using i and j as variables in Matlab
...es:
For speed and improved robustness, you can replace complex i and j by 1i.
So rather than avoiding two very commonly used variable names because of a potential conflict, I'm explicit about imaginary numbers. It also makes my code more clear. Anytime I see 1i, I know that it represents sqrt(...