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How to convert a DOM node list to an array in Javascript?
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Using spread (ES2015), it's as easy as: [...document.querySelectorAll('p')]
(optional: use Babel to transpile the above ES6 code to ES5 syntax)
Try it in your browser's console and see the magic:
for( links of [...document.links] )
console.log(links);
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Show data on mouseover of circle
...body")
.append("div")
.style("position", "absolute")
.style("z-index", "10")
.style("visibility", "hidden")
.text("a simple tooltip");
Then you can just toggle it using
.on("mouseover", function(){return tooltip.style("visibility", "visible");})
.on("mousemove", function(){ret...
Create table (structure) from existing table
...t; From <SourceTableName> Where 1 = 2
Note that this will not copy indexes, keys, etc.
If you want to copy the entire structure, you need to generate a Create Script of the table. You can use that script to create a new table with the same structure. You can then also dump the data into the...
Excel: last character/string match in a string
...haviour in older Excel versions through either
=MATCH(2,1/(MID(A2,ROW(A1:INDEX(A:A,LEN(A2))),1)="Y"))
Entered through CtrlShiftEnter, or using an inline INDEX to get rid of implicit intersection:
=MATCH(2,INDEX(1/(MID(A2,ROW(A1:INDEX(A:A,LEN(A2))),1)="Y"),))
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Remove the first character of a string
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deleting a char:
def del_char(string, indexes):
'deletes all the indexes from the string and returns the new one'
return ''.join((char for idx, char in enumerate(string) if idx not in indexes))
it deletes all the chars that are in indexes; you can use...
Large Object Heap Fragmentation
...ernal structure used for interned strings. Please check my answer for this question for more details: stackoverflow.com/questions/372547/…
– Brian Rasmussen
Mar 27 '09 at 10:03
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How to resolve “git did not exit cleanly (exit code 128)” error on TortoiseGit? [closed]
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git-bash reports
fatal: Unable to create <Path to git repo>/.git/index.lock: File exists.
Deleting index.lock makes the error go away.
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What's a quick way to comment/uncomment lines in Vim?
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I think that it isn't the quickest way to do it with vim since it requires to install a plugin. Also the best answer has already received more votes but it hasn't been marked as solution.
– whirmill
Jul 10 '18 a...
How can a Metro app in Windows 8 communicate with a backend desktop app on the same machine?
... use Task-based wrapper which is only asynchronous.
And thank you for you question. I was good starting point for me :)
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MySQL, better to insert NULL or empty string?
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If you are using multiple columns in a unique index and at least one of these columns are mandatory (i.e. a required form field), if you set the other columns in the index to NULL you may end up with duplicated rows. That's because NULL values are ignored in unique colum...