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What's the difference between RANK() and DENSE_RANK() functions in oracle?
...s.
As for nulls, it depends on the ORDER BY clause. Here is a simple test script you can play with to see what happens:
with q as (
select 10 deptno, 'rrr' empname, 10000.00 sal from dual union all
select 11, 'nnn', 20000.00 from dual union all
select 11, 'mmm', 5000.00 from dual union all
select ...
Pickle or json?
... The article compares performance only related to strings. Here is a script you can run in order to test strings, floats and ints seperately: gist.github.com/marians/f1314446b8bf4d34e782
– Marian
Jul 3 '14 at 9:25
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Escape a string for a sed replace pattern
In my bash script I have an external (received from user) string, which I should use in sed pattern.
14 Answers
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I do not want to inherit the child opacity from the parent in CSS
...other answer in this thread (which is also my website), here's a brand new script I wrote that fixes this problem automatically, called thatsNotYoChild.js:
http://www.impressivewebs.com/fixing-parent-child-opacity/
Basically it uses JavaScript to remove all children from the parent div, then repos...
How can I check whether a radio button is selected with JavaScript?
...Female" value="Female" />
For client-side validation, here's some Javascript to check which one is selected:
if(document.getElementById('gender_Male').checked) {
//Male radio button is checked
}else if(document.getElementById('gender_Female').checked) {
//Female radio button is checked
}
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Testing modules in rspec
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Off the top of my head, could you create a dummy class in your test script and include the module into that? Then test that the dummy class has the behaviour in the way you'd expect.
EDIT: If, as pointed out in the comments, the module expects some behaviours to be present in the class into ...
Search and replace in bash using regular expressions
... calls external tools for every tiny little task. Also, well-written shell scripts will benefit from faster interpreters (like ksh93, which has performance on par with awk), whereas poorly-written ones there's nothing to be done for.
– Charles Duffy
Aug 10 '15 ...
GitHub relative link in Markdown file
... of processing the input. Gitdown seamlessly integrates with your building scripts.
I am the author of the Gitdown library.
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Is there a tool to convert JavaScript files to TypeScript [closed]
Now TypeScript came out, it is an exciting news for me, but how can I convert all the existing JavaScript files to TypeScript.
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Read password from stdin
...pting me and waiting for a password even though I piped the password to my script
– Michael
Dec 21 '13 at 21:30
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