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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
I'm trying to implement search code in my CoreData-based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confus...
TextEnhancer拓展 - 增强App中的文本格式 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
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[size=15.008px]ScaleTextSize:Scale the text size of the specified label based on the length of the text. Parameters: minTextSize , maxTextSize (float) - minimum and maximum text size in scaled pixels, scaleStep (float) - scaling factor.
blocks (20)[size=15.008px]734×266 23.7 KB
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lsof survival guide [closed]
...ions to a specific host, use @host
lsof -i@192.168.1.5
Show connections based on the host and the port using @host:port
lsof -i@192.168.1.5:22
grepping for LISTEN shows what ports your system is waiting for connections on:
lsof -i| grep LISTEN
Show what a given user has open using -u:
ls...
What is the dependency inversion principle and why is it important?
... and think this is really a poor and unjustified "principle", because it's based on a flawed assumption: that high-level modules are reusable.
– Rogério
Aug 30 '09 at 21:42
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Maintain the aspect ratio of a div with CSS
...ht of the element. This allows the element's aspect ratio to be preserved, based on the viewport width.
vw : 1/100th of the width of the viewport. [MDN]
Alternatively, you can also use vh for viewport height, or even vmin/vmax to use the lesser/greater of the viewport dimensions (discussion h...
Any good boolean expression simplifiers out there? [closed]
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You can try Wolfram Alpha as in this example based on your input:
http://www.wolframalpha.com/input/?i=((A%20OR%20B)%20AND%20(NOT%20B%20AND%20C)%20OR%20C)&t=crmtb01&f=rc
share
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Load data from txt with pandas
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Based on the latest changes in pandas, you can use, read_csv , read_table is deprecated:
import pandas as pd
pd.read_csv("file.txt", sep = "\t")
sh...
What does “Memory allocated at compile time” really mean?
...ocation at compile time means what you've now come to understand it means (based on your comments): the compiled bin contains information the system requires to know how much memory what function/block will need when it gets executed, along with information on the stack size your application requir...
How to implement a queue using two stacks?
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@Tyler If your stack is array based, as most are, you will always get O(n) worst case for a single operation.
– Thomas Ahle
Dec 6 '11 at 10:24
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How to stop and restart memcached server?
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if you have sudo (on Debian-based systems) no need for su -
– Marconius
Jan 17 '14 at 21:01
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