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How can I print the contents of a hash in Perl?
...StdHash)
Tie::StdHash {
public methods (9) : CLEAR, DELETE, EXISTS, FETCH, FIRSTKEY, NEXTKEY, SCALAR, STORE, TIEHASH
private methods (0)
internals: {
a "A",
b "B",
c "C",
d "D"
}
}
...
How to make sure that string is valid JSON using JSON.NET
...e
{
return false;
}
}
The reason to add checks for { or [ etc was based on the fact that JToken.Parse would parse the values such as "1234" or "'a string'" as a valid token. The other option could be to use both JObject.Parse and JArray.Parse in parsing and see if anyone of them suc...
Handler vs AsyncTask
...thout worrying too much about the low-level details(threads, message loops etc). It provides callback methods that help to schedule tasks and also to easily update the UI whenever required.
However, it is important to note that when using AsyncTask, a developer is submitting to its limitations, wh...
Encoding an image file with base64
...l content, it can just be something like "on my site…", "on my blog…", etc.
– Makyen♦
Apr 26 '19 at 22:03
Thanks...
Why use the yield keyword, when I could just use an ordinary IEnumerable?
...iteLine(number);
}
}
This writes
0
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0
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...etc. to the console until canceled.
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How can I delete a git alias?
...as well as global aliases, provided you use the appropriate flag (--local, etc).
– De Novo
Feb 14 '19 at 20:25
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What is the Swift equivalent to Objective-C's “@synchronized”?
...) & objc_sync_exit(…) are public headers provided by the iOS/macOS/etc. APIs (looks like they're inside the ….sdk at the path usr/include/objc/objc-sync.h). The easiest way to find out if something is a public API or not is to (in Xcode) type the function name (e.g. objc_sync_enter(); argum...
Retrieve filename from file descriptor in C
...he file lives on, how many hard links it has, whether it's a special file, etc. This may already answer your question -- e.g. if 0 hard links you will KNOW there is in fact no corresponding filename on disk.
If the stats give you hope, then you have to "walk the tree" of directories on the relevant...
Disable vertical scroll bar on div overflow: auto
...
If you want to accomplish the same in Gecko (NS6+, Mozilla, etc) and IE4+ simultaneously, I believe this should do the trick:V
body {
overflow: -moz-scrollbars-vertical;
overflow-x: hidden;
overflow-y: auto;
}
This will be applied to entire body tag, please update it to your releva...
Can code that is valid in both C and C++ produce different behavior when compiled in each language?
...ard code with defined behavior, i.e. not implementation-specific/undefined/etc.)
19 Answers
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