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Disable sorting for a particular column in jQuery DataTables
...you really mean [-1], then [1], [2], etc? What does the -1 mean? Doesn't indexing for columns begin at 1 for dataTables?
– Dan Nissenbaum
Feb 13 '14 at 6:49
1
...
Git status shows files as changed even though contents are the same
... resolved this problem using following steps
Remove every file from Git's index.
git rm --cached -r .
Rewrite the Git index to pick up all the new line endings.
git reset --hard
Note that step 2 may remove your local changes.
Solution was part of steps described on git site
https://help.github.c...
Is there an onSelect event or equivalent for HTML ?
...Here is the simplest way:
<select name="ab" onchange="if (this.selectedIndex) doSomething();">
<option value="-1">--</option>
<option value="1">option 1</option>
<option value="2">option 2</option>
<option value="3">option 3</optio...
How to see log files in MySQL?
... = /var/log/mysql/mysql-slow.log
long_query_time = 2
log-queries-not-using-indexes
step3: save the file and restart mysql using following commands
service mysql restart
To enable logs at runtime, login to mysql client (mysql -u root -p) and give:
SET GLOBAL general_log = 'ON';
SET GLOBAL slow_...
How to print a string in fixed width?
...entioned in the comments: the 0 in '{0: <5}' indicates the argument’s index passed to str.format().
Edit 2:
In python3 one could use also f-string:
sub_str='s'
for i in range(1,6):
s = sub_str*i
print(f'{s:>5}')
' s'
' ss'
' sss'
' ssss'
'sssss'
or:
for i in range(1,5):
...
What does it mean if a Python object is “subscriptable” or not?
...
The [...] indexing syntax is called a subscript, because it's equivalent to mathematical notation that uses actual subscripts; e.g. a[1] is Python for what mathematicians would write as a₁. So "subscriptable" means "able to be subscr...
Programmer-friendly search engine? [closed]
... We could perhaps write such a search engine. Then we'd have to index the Internet, which is a bigger problem. I don't think many of us are going to be able to afford Google-size data centers with Google-level bandwidth, and that's what we'd need to get started.
– D...
Find object by id in an array of JavaScript objects
...ing function. Otherwise undefined is returned.
If you want to find its index instead, use findIndex():
myArray.findIndex(x => x.id === '45');
From MDN:
The findIndex() method returns the index of the first element in the array that satisfies the provided testing function. Otherwise -1 ...
phpmyadmin logs out after 1440 secs
... to /config.inc.php:
$cfg['LoginCookieValidity'] = 36000;
In /setup/lib/index.lib.php
$cf->getValue('LoginCookieValidity') > 36000;
If you don't already have a .htaccess file for your phpMyAdmin site, create one, and add the following line to override the default PHP session timeout:
ph...
How does one reorder columns in a data frame?
...order by column name
data <- data[c("A", "B", "C")]
#reorder by column index
data <- data[c(1,3,2)]
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