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Do sealed classes really offer performance Benefits?
I have come across a lot of optimization tips which say that you should mark your classes as sealed to get extra performance benefits.
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Disable HttpClient logging
...logback.xml to include:
<configuration>
<logger name="org.apache" level="WARN" />
<logger name="httpclient" level="WARN" />
</configuration>
Setting the log level to WARN with Log4j using the package name org.apache.commons.httpclient in log4j.properties will no...
Getting all selected checkboxes in an array
So I have these checkboxes:
20 Answers
20
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How to draw a path on a map using kml file?
... }
}
/** Gets be called on the following structure:
* <tag>characters</tag> */
@Override
public void characters(char ch[], int start, int length) {
if(this.in_nametag){
if (navigationDataSet.getCurrentPlacemark()==null) navigationDataSet.setCurrentPlacemark(new...
The order of keys in dictionaries
...;> print sorted(d.keys())
['a', 'b', 'c']
Use the sorted function, which sorts the iterable passed in.
The .keys() method returns the keys in an arbitrary order.
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Reading string from input with space character? [duplicate]
...s per your need.
Use:
scanf ("%[^\n]%*c", name);
The [] is the scanset character. [^\n] tells that while the input is not a newline ('\n') take input. Then with the %*c it reads the newline character from the input buffer (which is not read), and the * indicates that this read in input is discar...
Removing numbers from string [closed]
... no_digits.append(i)
# Now join all elements of the list with '',
# which puts all of the characters together.
result = ''.join(no_digits)
As @AshwiniChaudhary and @KirkStrauser point out, you actually do not need to use the brackets in the one-liner, making the piece inside the parentheses a ...
Input size vs width
...th, and for those that don't, it will fall back to the specified number of characters.
Edit: I should have mentioned that the size attribute isn't a precise method of sizing: according to the HTML specification, it should refer to the number of characters of the current font the input will be able ...
Extreme wait-time when taking a SQL Server database offline
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After some additional searching (new search terms inspired by gbn's answer and u07ch's comment on KMike's answer) I found this, which completed successfully in 2 seconds:
ALTER DATABASE <dbname> SET OFFLINE WITH ROLLBACK IMMEDIATE
(Update)
W...
How to get the current time in milliseconds from C in Linux?
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This can be achieved using the POSIX clock_gettime function.
In the current version of POSIX, gettimeofday is marked obsolete. This means it may be removed from a future version of the specification. Application writers are encouraged to...