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how to read all files inside particular folder
...ittle. What does this solution provide? How is it going to benefit the OP? etc.
– Geoff James
May 11 '17 at 11:46
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Improve INSERT-per-second performance of SQLite
...NT(*) FROM table
then read in pages (LIMIT/OFFSET):
SELECT * FROM table ORDER BY _ROWID_ LIMIT <limit> OFFSET <offset>
where and are calculated per-thread, like this:
int limit = (count + n_threads - 1)/n_threads;
for each thread:
int offset = thread_index * limit
For our sm...
HashMap with multiple values under the same key
...t types associated with a key. You have to take care by maintaining proper order of inserting and retrieving from Object[].
Example:
Consider, we want to store Student information. Key is id, while we would like to store name, address and email associated to the student.
//To make entry int...
Android YouTube app Play Video Intent
...do this, I need to know the Intent that the YouTube native app puts out in order to play the YouTube app.
I could do this easially if I had the YouTube program on my emulator, so my 1st question is:
1. Can I download the YouTube app for my emulator, or...
2. What is the intent used when the us...
How do I insert NULL values using PDO?
...nstance
$query = $db->prepare($sql);
//Works with INT, FLOAT, ETC.
$query->bindValue(':productId', !empty($productId) ? $productId : NULL, PDO::PARAM_INT);
//Works with strings.
$query->bindValue(':productName',!empty($productName) ? $productName : NULL, PDO::PA...
Postgresql: Scripting psql execution with password
...a wildcard for your port/database fields.
You must chmod 0600 ~/.pgpass in order for it to not be silently ignored by psql.
Create an alias in your bash profile that runs your psql command for you. For example:alias postygresy='psql --host hostname database_name -U username' The values should match ...
Cannot overwrite model once compiled Mongoose
...an error if the model does not exist, so you can wrap it in a try/catch in order to either get the model, or create it:
let users
try {
users = mongoose.model('users')
} catch (error) {
users = mongoose.model('users', <UsersSchema...>)
}
...
SyntaxError: Use of const in strict mode
... followed this step and the one changing the softlink /usr/bin/node from /etc/alternatives/node to /usr/local/n/versions/node/8.0.0/bin/node and everything just worked. Thank you for this!
– Brian Layman
Jun 2 '17 at 19:28
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From ND to 1D arrays
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to detect if URL has changed after hash in JavaScript
... the path changes because the user initiated a navigation / clicked a link etc., then you will only see a beforeunload event. If your code initiated the URL change, it knows best.
– phihag
Dec 14 '19 at 14:32
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