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What do 3 dots next to a parameter type mean in Java?
What do the 3 dots following String in the following method mean?
12 Answers
12
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How to let PHP to create subdomain automatically for each user?
... possible to create it via pure php code or I need to use some external script-server side language?
12 Answers
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Why is enum class preferred over plain enum?
...this is usually an int. Also each enumerated type shall be compatible with char or a signed/unsigned integer type.
This is a wide description of what an enum underlying type must be, so each compiler will take decisions on his own about the underlying type of the classic enum and sometimes the resu...
How to change the default charset of a MySQL table?
...e_prospection
CHARACTER SET utf8,
COLLATE utf8_general_ci;
To change string column charset exceute this query:
ALTER TABLE etape_prospection
CHANGE COLUMN etape_prosp_comment etape_prosp_comment TEXT CHARACTER SET utf8 COLLATE utf8_general_ci;
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Convert integer to binary in C#
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Your example has an integer expressed as a string. Let's say your integer was actually an integer, and you want to take the integer and convert it to a binary string.
int value = 8;
string binary = Convert.ToString(value, 2);
Which returns 1000.
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What is the difference between ArrayList.clear() and ArrayList.removeAll()?
Assuming that arraylist is defined as ArrayList<String> arraylist , is arraylist.removeAll(arraylist) equivalent to arraylist.clear() ?
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Does Java have buffer overflows?
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Since Java Strings are based on char arrays and Java automatically checks array bounds, buffer overflows are only possible in unusual scenarios:
If you call native code via JNI
In the JVM itself (usually written in C++)
The interprete...
Using Java 8's Optional with Stream::flatMap
...de() {
return optional.hashCode();
}
@Override
public String toString() {
return optional.toString();
}
}
You will see that I added flatStream(), as here:
public Stream<T> flatStream() {
if (!optional.isPresent()) {
return Stream.empty();
}
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Splitting on first occurrence
What would be the best way to split a string on the first occurrence of a delimiter?
5 Answers
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uwsgi invalid request block size
..."http", "http-socket" and "socket" options. I wanted to call cgi python scripts; "socket" was the answer.
– NuclearPeon
May 29 '14 at 19:06
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