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LAST_INSERT_ID() MySQL
...tely following the insert:
$result = $conn->query("SELECT * FROM corex ORDER BY id DESC LIMIT 1");
while ($row = $result->fetch_assoc()) {
$id = $row['id'];
}
This retrieves the last id from the database.
...
Sqlite or MySql? How to decide? [closed]
...d that has lots of selects and a few updates, and want them to go smoothly etc.
a lot of memory usage, for example, to buffer parts of your 1Tb database in your 32G of memory.
You need to use mysql or some other server-based RDBMS.
Note that MySQL is not the only choice and there are plenty of ot...
Change C++/CLI project to another framework than 4.0 with vs2010
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How does delete[] “know” the size of the operand array?
...h to use type information to track the size of non-array heap allocations, etc. Forcing the allocator to store the requested size (so that you wouldn't need to pass the array size yourself) might be a small encumbrance, but it could have performance impacts on conceivable allocator designs.
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What is the difference between static_cast and C style casting?
.... The worst ever
invented. This tries to do the following casts, in this order: (see
also C++ Standard, 5.4 expr.cast paragraph 5)
const_cast
static_cast
static_cast followed by const_cast
reinterpret_cast
reinterpret_castfollowed by const_cast
...
Filtering Pandas DataFrames on dates
...csv data file, we'll need to set the date column as index now as below, in order to filter data based on a range of dates. This was not needed for the now deprecated method: pd.DataFrame.from_csv().
If you just want to show the data for two months from Jan to Feb, e.g. 2020-01-01 to 2020-02-29, you...
Getting Started with Windows Phone 7 [closed]
...a community wiki list of Windows Phone 7 resources. Feel free to edit/add/etc.
8 Answers
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Using scanner.nextLine() [duplicate]
...y the number, not the "end of line". Primitive data types like int, double etc do not consume "end of line", therefore the "end of line" remains in buffer and When input.next() executes, it consumes the "end of line" from buffer from the first input. That's why, your String sentence = scanner.next()...
In a Git repository, how to properly rename a directory?
... ‘foldername’ failed: Invalid argument
And here is what you can do in order to make it work:-
git mv foldername tempname && git mv tempname folderName
This splits up the renaming process by renaming the folder at first to a completely different foldername. After renaming it to the di...
How do I delete everything in Redis?
...(); // your JedisCluster instance
for (JedisPool pool : jedisCluster.getClusterNodes().values()) {
try (Jedis jedis = pool.getResource()) {
jedis.flushAll();
}
catch (Exception ex){
System.out.println(ex.getMessage());
}
}
}
...