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Passing properties by reference in C#
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And I think a better name for the solution 3 is Reflection.
– Jaider
Nov 5 '12 at 17:07
1
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How to check whether an object is a date?
...rator, i.e. But it will return true for invalid dates too, e.g. new Date('random_string') is also instance of Date
date instanceof Date
This will fail if objects are passed across frame boundaries.
A work-around for this is to check the object's class via
Object.prototype.toString.call(date) ==...
Swift - encode URL
...lowed)
print(escapedString!)
Output:
test%2Ftest
Swift 1
In iOS 7 and above there is stringByAddingPercentEncodingWithAllowedCharacters
var originalString = "test/test"
var escapedString = originalString.stringByAddingPercentEncodingWithAllowedCharacters(.URLHostAllowedCharacterSet())
prin...
How to get my IP address programmatically on iOS/macOS?
...ically.
How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are?
10 Answers
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Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
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I think the docs explain the difference and usage of these two functions pretty well:
newFixedThreadPool
Creates a thread pool that reuses a
fixed number of threads operating off
a shared unbounded queue. At any
point, at most nThreads threads will
be...
Why would iterating over a List be faster than indexing through it?
...use every time you are indexing it restarts from the beginning of the list and goes through every item. This means that your complexity is effectively O(N^2) just to traverse the list!
If instead I did this:
for(String s: list) {
System.out.println(s);
}
then what happens is this:
head ->...
Rails: where does the infamous “current_user” come from?
I've been looking around recently into Rails and notice that there are a lot of references to current_user . Does this only come from Devise? and do I have to manually define it myself even if I use Devise? Are there prerequisites to using current_user (like the existence of sessions, users, etc)...
How Do I 'git fetch' and 'git merge' from a Remote Tracking Branch (like 'git pull')
... Sure. If I've added a remote repository with 1000 branches to mine, and I ask what branches the remote has, it damn well better give me all 1000
– Gareth
Jun 11 '10 at 19:14
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Python time measure function
I want to create a python function to test the time spent in each function and print its name with its time, how i can print the function name and if there is another way to do so please tell me
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What's the best way to store a group of constants that my program uses? [closed]
...I don't think I want an Enum , because the data is not all the same type, and I want to manually set each value. Should I just store them all in an empty class? Or is there a better way?
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