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How can I extend typed Arrays in Swift?
...library/prerelease/ios/documentation/Swift/Reference/Swift_Array_Structure/index.html#//apple_ref/swift/struct/s:Sa)... so I'm still a little unsure.
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How to check if a string “StartsWith” another string?
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Another alternative with .lastIndexOf:
haystack.lastIndexOf(needle, 0) === 0
This looks backwards through haystack for an occurrence of needle starting from index 0 of haystack. In other words, it only checks if haystack starts with needle.
In princip...
How to get diff working like git-diff?
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You can also use git diff --no-index -- A B (via manpage).
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Using MemoryStore in production
...an it up. In the case of Mongo, you can set expiration date while ensuring indexing.
– huggie
Sep 5 '14 at 5:50
57
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Move existing, uncommitted work to a new branch in Git
...s commit>"
The changes in the working directory and changes staged in index do not belong to any branch yet. This changes the branch where those modifications would end in.
You don't reset your original branch, it stays as it is. The last commit on <old-branch> will still be the same. Th...
submitting a GET form with query string params and hidden params disappear
...url contains the target, where the form should be processed? like: action="index.php?site=search". I'm not sure, if putting the GET parameter in hidden input fields is an god idea.
– The Bndr
Aug 24 '17 at 13:09
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How to initialize a two-dimensional array in Python?
...he second. List multiplication makes a shallow copy. When you assign to an index, it does a proper change, but access does not, so when you do a[x][y] = 2, it's accessing, not assigning, for the xth index - only the yth access is actually changed. This page helped me explain with diagrams that are p...
Error installing mysql2: Failed to build gem native extension
...ate new rails app
rails new world
Delete the file c:\Sites\world\public\index.html
Edit the file c:\Sites\world\config\routes.rb
add this line -> root :to => 'cities#index'
Open command prompt (generate views and controllers)
rails generate scaffold city ID:integer Name:string CountryCode...
How should I use git diff for long lines?
...f getting something like this:
diff --git a/test-file.txt b/test-file.txt
index 19e6adf..eb6bb81 100644
--- a/test-file.txt
+++ b/test-file.txt
@@ -1 +1 @@
-this is a short line
+this is a slightly longer line
You might get something like this:
diff --git a/test-file.txt b/test-file.txt
index 19...
Why is C so fast, and why aren't other languages as fast or faster? [closed]
...ay, they made the decision to put speed above safety. C won't
Check array index bounds
Check for uninitialized variable values
Check for memory leaks
Check for null pointer dereference
When you index into an array, in Java it takes some method call in the virtual machine, bound checking and other ...