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In Clojure 1.3, How to read and write a file
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Assuming we're only doing text files here and not some crazy binary stuff.
Number 1: how to read an entire file into memory.
(slurp "/tmp/test.txt")
Not recommended when it is a really big file.
Number 2: how to read a file line by line.
(...
Finding the id of a parent div using Jquery
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I really like closest because you can do something like .closest("div.foo") and code is not tied to the structure.
– Mark
Feb 13 '09 at 15:10
2...
Why NSUserDefaults failed to save NSMutableDictionary in iOS?
...NSArray , which contains a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding .
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How to disable an input type=text?
..., if possible.
The input field is populated from a database; that is why I don't want the user to modify its value.
5 Answe...
UITableView row animation duration and completion callback
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Nowadays if you want to do this there is new function starting from iOS 11:
- (void)performBatchUpdates:(void (^)(void))updates
completion:(void (^)(BOOL finished))completion;
In updates closures you place the same code as in be...
Purpose of Unions in C and C++
...or non-overlapping periods of time. These people never meet, and generally don't know anything about each other. By properly managing the time-sharing of the rooms (i.e. by making sure different people don't get assigned to one room at the same time), a relatively small hotel can provide accommodati...
Where do I find some good examples for DDD? [closed]
I'm learning about Domain Driven Design, however there are some practical issues that are confusing to me that I think seeing some good samples might clear up.
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Git undo changes in some files [duplicate]
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There are three basic ways to do this depending on what you have done with the changes to the file A. If you have not yet added the changes to the index or committed them, then you just want to use the checkout command - this will change the state of the ...
Scroll to the top of the page using JavaScript?
How do I scroll to the top of the page using a JavaScript? It is desirable even if the scrollbar instantly jumps to the top. I'm not looking for a smooth scrolling.
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Drop columns whose name contains a specific string from pandas DataFrame
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import pandas as pd
import numpy as np
array=np.random.random((2,4))
df=pd.DataFrame(array, columns=('Test1', 'toto', 'test2', 'riri'))
print df
Test1 toto test2 riri
0 0.923249 0.572528 0.845464 0.144891
1 0.020438 0.332540 0.144455 0.741412
c...