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Is String.Format as efficient as StringBuilder
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NOTE: This answer was written when .NET 2.0 was the current version. This may no longer apply to later versions.
String.Format uses a StringBuilder internally:
public static string Format(IFormatProvider provider, string format, params object[] args)
{
if ((for...
What does Class mean in Java?
...9
Fifi
27022 silver badges1414 bronze badges
answered Mar 29 '12 at 8:30
manubmanub
3,4...
Can I list-initialize a vector of move-only type?
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answered Dec 12 '11 at 0:55
Kerrek SBKerrek SB
415k7676 gold badges781781 silver badges10021002 bronze badges
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Python extract pattern matches
...> result = p.search(s)
>>> result
<_sre.SRE_Match object at 0x10555e738>
>>> result.group(1) # group(1) will return the 1st capture (stuff within the brackets).
# group(0) will returned the entire matched text.
'my_user_name'
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How to get the first five character of a String
... you can use String.Substring.
string str = yourStringVariable.Substring(0,5);
Remember that String.Substring could throw an exception in case of string's length less than the characters required.
If you want to get the result back in string then you can use:
Using String Constructor and LI...
Remove Application Insight from application on Visual Studio 2013
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edited Apr 23 '14 at 20:46
answered Apr 23 '14 at 20:41
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Is the list of Python reserved words and builtins available in a library?
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203
To verify that a string is a keyword you can use keyword.iskeyword; to get the list of reserved...
Fundamental difference between Hashing and Encryption algorithms
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+200
Well, you could look it up in Wikipedia... But since you want an explanation, I'll do my best here:
Hash Functions
They provide a ...
Uninstall all installed gems, in OSX?
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430
Rubygems >= 2.1.0
gem uninstall -aIx
a removes all versions
I ignores dependencies
x inclu...
How to implement a confirmation (yes/no) DialogPreference?
... easier.
– Maaalte
Feb 26 '11 at 15:02
1
use import android.support.v7.app.AlertDialog; for a bet...