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HTTP GET Request in Node.js Express
...ample of mine. It's asynchronous and returns a JSON object. It can do any form of GET request.
Note that there are more optimal ways (just a sample) - for example, instead of concatenating the chunks you put into an array and join it etc... Hopefully, it gets you started in the right direction:
c...
How to reset postgres' primary key sequence when it falls out of sync?
...ial_sequence('table_name', 'id'), MAX(id)) FROM table_name;
However this form can't handle empty tables correctly, since max(id) is null, and neither can you setval 0 because it would be out of range of the sequence. One workaround for this is to resort to the ALTER SEQUENCE syntax i.e.
ALTER SEQ...
Is there a performance difference between i++ and ++i in C++?
We have the question is there a performance difference between i++ and ++i in C?
17 Answers
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increment date by one month
Let's say I have a date in the following format: 2010-12-11 (year-mon-day)
17 Answers
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The ViewData item that has the key 'MY KEY' is of type 'System.String' but must be of type 'IEnumera
...he answer...
The problem is that in the POST action, after submitting the form, the ModelState is not valid, or it's catching an error in try/catch, so the View is returned. But this time the View has not the ViewData["basetype"] correctly set.
You need to populate it again, probably with the same...
Plotting two variables as lines using ggplot2 on the same graph
...
The general approach is to convert the data to long format (using melt() from package reshape or reshape2) or gather()/pivot_longer() from the tidyr package:
library("reshape2")
library("ggplot2")
test_data_long <- melt(test_data, id="date") # convert to long format
ggp...
LIKE vs CONTAINS on SQL Server
...ctually put it in a valid query) should be faster, because it can use some form of index (in this case, a full text index). Of course, this form of query is only available if the column is in a full text index. If it isn't, then only the first form is available.
The first query, using LIKE, will be...
getting date format m-d-Y H:i:s.u from milliseconds
I am trying to get a formatted date, including the microseconds from milliseconds.
15 Answers
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How to create a file in memory for user to download, but not through server?
...ement);
element.click();
document.body.removeChild(element);
}
form * {
display: block;
margin: 10px;
}
<form onsubmit="download(this['name'].value, this['text'].value)">
<input type="text" name="name" value="test.txt">
<textarea name="text"></textarea&...
Can I get chrome-devtools to actually search all JS sources?
...still doesn't work, check if this extension is installed in your chrome :
form filler: https://chrome.google.com/webstore/detail/form-filler/bnjjngeaknajbdcgpfkgnonkmififhfo?hl=en
CTRL+SHIFT+F was still not working for me but then I discovered that chrome extension "Form Filler" was overriding the...