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How to implement a queue with three stacks?
... bound of C
* K := B_u + C_u + 1
WLOG2, for an n such that |A(n)| > K, select K elements from Q(n). Suppose that 1 of those elements is in A(n + x), for all x >= 0, i.e. the element is always in stack A no matter how many queue operations are done.
X := that element
Then we can define
...
Is there a best practice for generating html with javascript
...$.template('<div><img src="${url}" />${name}</div>');
$(selector).append( t , {
url: jsonObj.url,
name: jsonObj.name
});
I say go the cool route (and better performing, more maintainable), and use templating.
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filter for complete cases in data.frame using dplyr (case-wise deletion)
...function which lets you specify columns (basically everything which dplyr::select can understand) which should not have any NA values (modeled after pandas df.dropna()):
drop_na <- function(data, ...){
if (missing(...)){
f = complete.cases(data)
} else {
f <- complete....
Start/Stop and Restart Jenkins service on Windows
... To run cmd in admin mode 1. Open task manager 2. File - New Task 3. Select check box "Create task with admin previleges"
– Amit Jain
Jul 19 '18 at 6:01
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How can I import a database with MySQL from terminal?
...mmand prompt (mysql>), then simply type source full_path_of_file (note: select database by command USE DATABASE_NAME before import).
– Ankit Sharma
May 28 '14 at 8:15
3
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How to configure socket connect timeout
...ame problem by making the socket non-blocking and then putting the fd in a select/poll loop with a timeout value equal to the amount of time we are willing to wait for the connect to succeed.
I found this for Visual C++ and the explanation there also bends towards the select/poll mechanism I expla...
How to store values from foreach loop into an array?
... I prefer a good sql query with a simple while loop ;)
<?php
$query = "SELECT `username` FROM group_membership AS gm LEFT JOIN users AS u ON gm.`idUser` = u.`idUser`";
$result = mysql_query($query);
while ($record = mysql_fetch_array($result)) { \
$items[] = $username;
}
?>
while is f...
How do I clear the terminal screen in Haskell?
How can I clear a terminal screen after my user has selected an option from my application's menu?
8 Answers
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Delete a line in Eclipse
...Visual Studio, you would use Ctrl + L , whereas in Eclipse I am forced to select a line or, if it is empty, go the beginning of the line before clicking delete/backspace.
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What is the Auto-Alignment Shortcut Key in Eclipse?
...
Ctrl+Shift+F to invoke the Auto Formatter
Ctrl+I to indent the selected part (or all) of you code.
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