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Select random lines from a file
In a Bash script, I want to pick out N random lines from input file and output to another file.
4 Answers
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How do I remove the first characters of a specific column in a table?
... of values of a specific column in a table? Column name is Student Code and an example value is ABCD123Stu1231 .
I want to remove first 4 chars from my table for all records
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RSpec: describe, context, feature, scenario?
... context , feature , scenario : What is the difference(s) among the four and when do I use each one?
3 Answers
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How to convert a PNG image to a SVG? [closed]
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There is a website where you can upload your image, and see the result.
http://vectormagic.com/home
But if you want to download your svg-image, you need to register.
(If you register, you get 2 images for free)
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How to loop through an associative array and get the key? [duplicate]
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Nobody answered with regular for loop? Sometimes I find it more readable and prefer for over foreach
So here it is:
$array = array('key1' => 'value1', 'key2' => 'value2');
$keys = array_keys($array);
for($i=0; $i < count($keys); ++$i) {
echo $keys[$i] . ' ' . $array[$keys[$i]] . "...
Hiding a password in a python script (insecure obfuscation only)
...onnection string. In this connection string I have to include the username and password for this connection.
21 Answers
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Removing the remembered login and password list in SQL Server Management Studio
... Server dialog?. Just confirmed this delete in MRU list works fine in 2016 and 2017.
SQL Server Management Studio 2017 delete the file
C:\Users\%username%\AppData\Roaming\Microsoft\SQL Server Management Studio\14.0\SqlStudio.bin
SQL Server Management Studio 2016 delete the file
C:\Users\%username%...
Table header to stay fixed at the top when user scrolls it out of view with jQuery
...esign an HTML table where the header will stay at the top of the page when AND ONLY when the user scrolls it out of view. For example, the table may be 500 pixels down from the page, how do I make it so that if the user scrolls the header out of view (browser detects its no longer in the windows vi...
Fastest way to serialize and deserialize .NET objects
I'm looking for the fastest way to serialize and deserialize .NET objects. Here is what I have so far:
9 Answers
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How can I give eclipse more memory than 512M?
I have following setup, but when I put 1024 and replace all 512 with 1024, then eclipse won't start at all. How can I have more than 512M memory for my eclipse JVM?
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