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Parsing JSON from XmlHttpRequest.responseJSON
... with any browser that supports XMLHttpRequest and JSON.
JSONHttpRequest
If you prefer to use responseJSON, but want a more lightweight solution than JQuery, you might want to check out my JSONHttpRequest. It works exactly like a normal XMLHttpRequest, but also provides the responseJSON property. ...
python list in sql query as parameter
...e values into a plain SQL string. That's absolutely fine for integers, but if we wanted to do it for strings we get the escaping issue.
Here's a variant using a parameterised query that would work for both:
placeholder= '?' # For SQLite. See DBAPI paramstyle.
placeholders= ', '.join(placeholder fo...
.NET Format a string with fixed spaces
...
If you look for the green check vs. the highest up-votes, you don't know how to SO ;)
– Dave Jellison
Mar 18 '16 at 19:23
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How to convert string to boolean php
...he documentation for empty):
"" (an empty string);
"0" (0 as a string)
If you need to set a boolean based on the text value of a string, then you'll need to check for the presence or otherwise of that value.
$test_mode_mail = $string === 'true'? true: false;
EDIT: the above code is intended ...
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
...S vs. LEFT JOIN / IS NULL: MySQL
In a nutshell:
NOT IN is a little bit different: it never matches if there is but a single NULL in the list.
In MySQL, NOT EXISTS is a little bit less efficient
In SQL Server, LEFT JOIN / IS NULL is less efficient
In PostgreSQL, NOT IN is less efficient
In Oracl...
Should Javadoc comments be added to the implementation?
...ds that are implementation only (not overrides), sure, why not, especially if they are public.
If you have an overriding situation and you are going to replicate any text, then definitely not. Replication is a surefire way of causing discrepancies. As a result, users would have a different understa...
html - table row like a link
...t my table row as link to something. I can use only css and html. I tried different things from div in row to something another, but still can't make it works.
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What is process.env.PORT in Node.js?
....PORT || 3000 means: whatever is in the environment variable PORT, or 3000 if there's nothing there.
So you pass that app.listen, or to app.set('port', ...), and that makes your server be able to accept a parameter from the environment what port to listen on.
If you pass 3000 hard-coded to app.lis...
Run a Java Application as a Service on Linux
...id
case $1 in
start)
echo "Starting $SERVICE_NAME ..."
if [ ! -f $PID_PATH_NAME ]; then
nohup java -jar $PATH_TO_JAR /tmp 2>> /dev/null >> /dev/null &
echo $! > $PID_PATH_NAME
echo "$SERVICE_NAME started ..."
else
...
PHP Get all subdirectories of a given directory
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@developerbmw Note the word or. He presents two different methods of attaining the goal.
– Ken Wayne VanderLinde
Jan 8 '16 at 19:20
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