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How can I detect if this dictionary key exists in C#?
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924
You can use ContainsKey:
if (dict.ContainsKey(key)) { ... }
or TryGetValue:
dict.TryGetValu...
Why are there two ways to unstage a file in Git?
...had just unstaged it since it had never been committed before.
Update git 2.24
In this newer version of git you can use git restore --staged instead of git reset.
See git docs.
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Find and replace Android studio
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edited Nov 21 '17 at 8:19
MahNas92
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answered Nov 27 '...
Oracle TNS names not showing when adding new connection to SQL Developer
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Kris Rice
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answered Jan 8 '09 at 17:17
JaseAndersonJaseAnderson
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How do I print the type or class of a variable in Swift?
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PHP function to build query string from array
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edited Jul 4 '12 at 19:27
Ry-♦
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PHP Replace last occurrence of a String in a String?
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231
You can use this function:
function str_lreplace($search, $replace, $subject)
{
$pos = st...
Android: Generate random color on click?
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329
Random rnd = new Random();
paint.setARGB(255, rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(2...
Git keeps prompting me for a password
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28 Answers
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How to check file MIME type with javascript before upload?
...: " + files[i].size + " bytes");
}
}, false);
</script>
Step 2:
We can now inspect the files and tease out headers and MIME types.
✘ Quick method
You can naïvely ask Blob for the MIME type of whatever file it represents using this pattern:
var blob = files[i]; // See step 1 abov...