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How do I create a comma-separated list from an array in PHP?
I know how to loop through items of an array using foreach and append a comma, but it's always a pain having to take off the final comma. Is there an easy PHP way of doing it?
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How to install gem from GitHub source?
I would like to install gem from the latest GitHub source.
11 Answers
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What's the easiest way to call a function every 5 seconds in jQuery? [duplicate]
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edited Aug 29 '18 at 10:33
Vladimir verleg
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What is the --save option for npm install?
...pp/module, you would need to first install them, and then add them (along with the appropriate version number) to the dependencies section of your package.json.
The --save option instructed NPM to include the package inside of the dependencies section of your package.json automatically, thus saving...
“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server
... Warning: Do not use this in production code!
As a workaround, you can switch off certificate validation. Only ever do this to obtain confirmation that the error is being throw because of a bad certificate.
Call this method before you call smtpclient.Send():
[Obsolete("Do not use this in Pr...
How to iterate over rows in a DataFrame in Pandas
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DataFrame.iterrows is a generator which yields both the index and row (as a Series):
import pandas as pd
import numpy as np
df = pd.DataFrame({'c1': [10, 11, 12], 'c2': [100, 110, 120]})
for index, row in df.iterrows():
print(row...
Node.js/Windows error: ENOENT, stat 'C:\Users\RT\AppData\Roaming\npm'
I have Windows 7 32-bit. I installed the latest Node.js 32 bit.
When I try to run the command npm install jquery , I receive the error:
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What is the difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout?
... long a single command can take to complete. ConnectionTimeout is how long it can take to establish a connection to the server to start with.
For instance, you may be executing relatively long-running queries - it's perfectly okay for them to take 10 minutes to complete, but if it took 10 minutes t...
How can one check to see if a remote file exists using PHP?
... use the HTTP HEAD method via CURLOPT_NOBODY.
More or less
$ch = curl_init("http://www.example.com/favicon.ico");
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_exec($ch);
$retcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// $retcode >= 400 -> not found, $retcode = 200, found.
curl_close($ch...
PowerShell: Store Entire Text File Contents in Variable
...ackish to include trailing empty line:
[io.file]::ReadAllText(".\desktop\git-python\test.ps1").split("`n").count
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