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Safe (bounds-checked) array lookup in Swift, through optional bindings?
...hen accessing missing keys, which makes sense because it's much harder to know if a key is present in a dictionary since those keys can be anything, where in an array the key must in a range of: 0 to count. And it's incredibly common to iterate over this range, where you can be absolutely sure have ...
Multiple working directories with Git?
...ers aware of each other.
See commit 799767cc9 (Git 2.5rc2)
That means you now can do a git worktree add <path> [<branch>]
Create <path> and checkout <branch> into it. The new working directory
is linked to the current repository, sharing everything except working
directory ...
Core dumped, but core file is not in the current directory?
... following content echo "core.%e.%p" > /proc/sys/kernel/core_pattern ..now it creates the core dump file in current directory itself. with name "core.giis.12344" etc. Thank you all for your answers/comments/hints .
– webminal.org
Jan 15 '10 at 6:57
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Is there a way to create multiline comments in Python?
...iting features can be a painful experience. Finding the right editor (and knowing how to use it) can make a big difference in how the Python programming experience is perceived.
Not only should the text editor be able to comment-out selected regions, it should also be able to shift blocks of code t...
How can I scale an image in a CSS sprite
...
hi @Robert. How about now?
– Tomasz Mularczyk
Aug 23 '17 at 6:32
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How to fix corrupted git repository?
... to CodeGnome's last option, if only the local repo is corrupted, and you know the url to the remote, you can use this to re-set your .git to match the remote (replacing ${url} with the remote url):
mv -v .git .git_old && # remove old git
git init && ...
difference between Product Backlog Item and Feature in Team Foundation work item types
...klog Item and then break it down into tasks for your sprint.
If you think/know that the new work item won't fit into a single sprint you should create a Feature and identify all the value-providing sprint sized items (Product Backlog Items) that the Feature can be broken down into and use these when...
Does Swift support reflection?
...intln("Type: \(type)") //Unfortunately this prints only "Type: Metatype"
Now assuming TestObject extends NSObject
var clazz: NSObject.Type = TestObject.self
var instance : NSObject = clazz()
if let testObject = instance as? TestObject {
println("yes!") //prints "yes!"
}
Currently, there is...
GCM with PHP (Google Cloud Messaging)
...t i dont receive any message on the phone. I want to debug it, but i dont know why my $result is always empty...
– Bertrand
Jul 5 '12 at 11:49
9
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Hash and salt passwords in C#
...
The nuget package is now Microsoft.AspNetCore.Cryptography.KeyDerivation.
– James Blake
Oct 4 '17 at 17:15
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