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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...
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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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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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...
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...
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&...
MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
... the second is MySQL's extension.
So they should be exactly equivalent performance wise.
http://dev.mysql.com/doc/refman/5.6/en/insert.html says:
INSERT inserts new rows into an existing table. The INSERT ... VALUES and INSERT ... SET forms of the statement insert rows based on explicitly spec...