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Why is Java's SimpleDateFormat not thread-safe? [duplicate]
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Here is the example which results in a strange error. Even Google gives no results:
public class ExampleClass {
private static final Pattern dateCreateP = Pattern.compile("Дата подачи:\\s*(.+)");
private static final SimpleDateFormat sdf = new SimpleDateFormat...
lenses, fclabels, data-accessor - which library for structure access and mutation is better
There are at least three popular libraries for accessing and manipulating fields of records. The ones I know of are: data-accessor, fclabels and lenses.
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Find and replace with sed in directory and sub directories
... For Mac OS, this answers stackoverflow.com/questions/19242275/… the RE error: illegal byte sequence
– kakoma
Aug 14 '17 at 21:27
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How to clear APC cache entries?
...rsion, calls are made to the Symfony form of copy and unlink, which handle errors. You may want to add checks that they succeed.
copy($apcPaths['data'], $apcPaths['web']); //'data' is a non web accessable directory
$url = 'http://localhost/apc_clear.php'; //use domain name as necessary
$result = j...
pycharm convert tabs to spaces automatically
...rting tabs to spaces is default behaviour, however in python IDE is giving errors everywhere because it can't convert tabs to spaces automatically is there a way to achieve this.
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How do I use a file grep comparison inside a bash if/else statement?
...grep:
Exit status is 0 if any line was selected, 1 otherwise;
if any error occurs and -q was not given, the exit status is 2.
if grep --quiet MYSQL_ROLE=master /etc/aws/hosts.conf; then
echo exists
else
echo not found
fi
You may want to use a more specific regex, such as ^MYSQL_ROLE=ma...
What's the difference between `1L` and `1`?
I often seen the symbol 1L (or 2L , 3L , etc) appear in R code. Whats the difference between 1L and 1 ? 1==1L evaluates to TRUE . Why is 1L used in R code?
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Able to push to all git remotes with the one command?
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Extract elements of list at odd positions
So I want to create a list which is a sublist of some existing list.
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