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Why aren't pointers initialized with NULL by default?
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If the pointer is first set to NULL and then set to whatever value, the compiler should be able to detect this and optimize the first NULL initialization, right?
– Korchkidu
Aug 13 '14 at 6:51
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What is the difference between “instantiated” and “initialized”?
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To initialize something is to set it to its initial value. To instantiate something is to create an instance of it.
Often this is the more or less same thing. This:
SqlConnection conn = new SqlConnection();
instantiates a SqlConnection object, and i...
/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
...orrectly. It's a FAQ: gcc.gnu.org/onlinedocs/libstdc++/faq.html#faq.how_to_set_paths
– Jonathan Wakely
May 6 '14 at 13:23
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Python, remove all non-alphabet chars from string
...b3d*E')
#Out: 'abdE'
Alternatively, if you only want to remove a certain set of characters (as an apostrophe might be okay in your input...)
regex = re.compile('[,\.!?]') #etc.
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How to do a regular expression replace in MySQL?
... it returns a blob by default and I don't know if you have a multibyte charset as your default: select cast( T.R as char) COLLATE utf8_unicode_ci from (select preg_replace('/ä/', '', 'öõüä') R ) T
– gillyspy
Feb 9 '14 at 19:46
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How to prevent line break at hyphens on all browsers
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I’m afraid there’s no simpler way to do it reliably than splitting the text to “words” (sequences of non-whitespace characters separated by whitespace) and wrapping each “word” that contains a hyphen inside nobr markup. ...
.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
Assuming I have an ArrayList
9 Answers
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Get users by name property using Firebase
I'm trying to create an application where I can get/set data in specific users accounts and I was tempted by Firebase.
8 An...
How do you write multiline strings in Go?
Does Go have anything similar to Python's multiline strings:
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Skip download if files exist in wget?
This is simplest example running wget:
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