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MySQL - UPDATE query based on SELECT Query
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You can actually do this one of two ways:
MySQL update join syntax:
UPDATE tableA a
INNER JOIN tableB b ON a.name_a = b.name_b
SET validation_check = if(start_dts > end_dts, 'VALID', '')
-- where clause can go here
ANSI SQL syntax:
UPDATE tableA SET validation...
Getting SyntaxError for print with keyword argument end=' '
...o k o n t h e b r i g h t s i d e o f l i f e
In python 3.x
myjob= 'hacker'
for c in myjob: print (c, end=' ')
#output
h a c k e r
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Shell Script — Get all files modified after
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as simple as:
find . -mtime -1 | xargs tar --no-recursion -czf myfile.tgz
where find . -mtime -1 will select all the files in (recursively) current directory modified day before. you can use fractions, for example:
find . -mtime -1.5 | xargs tar --no-recursion -czf myfile.tgz
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How do I prevent a parent's onclick event from firing when a child anchor is clicked?
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Here my solution for everyone out there looking for a non-jQuery code (pure javascript)
document.getElementById("clickable").addEventListener("click", function( e ){
e = window.event || e;
if(this === e.target) {
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Get Enum from Description attribute [duplicate]
... This is exactly what I am looking for. Two highlights I loved are, my enum also starts with 1. Secondly, its enummember as its wcf. Thank you so much :)
– Jasmine
Jan 10 '19 at 11:00
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Automatic TOC in github-flavoured-markdown
...stead of Markdown, which does render TOCs. I've moved to this approach for my content nowadays.
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In an array of objects, fastest way to find the index of an object whose attributes match a search
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I get a warning in my ES6 lint tool that the obj.id == 3 operator used here can cause unexpected type conversion, so use the obj.id === 3 operator instead, which tests for equal value and type.
– thclark
J...
How to select html nodes by ID with jquery when the id contains a dot?
If my html looked like this:
8 Answers
8
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How to disable HTML button using JavaScript?
...an set the property equivalent in Javascript:
document.getElementsByName("myButton")[0].disabled = true;
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Remove NA values from a vector
...from that, if you really want to remove the NAs, just use something like:
myvec[!is.na(myvec)]
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