大约有 44,000 项符合查询结果（耗时：0.0700秒） [XML]
Equivalent of varchar(max) in MySQL?
...ATE TABLE foo ( v VARCHAR(65532) );
Query OK, 0 rows affected (0.01 sec)
Now if we try to use a multibyte charset at the table level, we find that it counts each character as multiple bytes. UTF8 strings don't necessarily use multiple bytes per string, but MySQL can't assume you'll restrict all yo...
Should flux stores, or actions (or both) touch external services?
...'re using):
someActionCreator: function(userId) {
// Dispatch an action now so that stores that want
// to optimistically update their state can do so.
dispatch("SOME_ACTION", {userId: userId});
// This example uses promises, but you can use Node-style
// callbacks or whatever you want f...
What is object serialization?
... are saying the format depends on platform and libraries.I really want to know the format.
– JAVA
Aug 31 '14 at 19:52
1
...
Position: absolute and parent height?
...
This kind of layout problem can be solved with flexbox now, avoiding the need to know heights or control layout with absolute positioning, or floats. OP's main question was how to get a parent to contain children of unknown height, and they wanted to do it within a certain layout...
Custom li list-style with font-awesome icon
...c font, JOPLOmacedo's answer is still perfectly fine for use.
FontAwesome now handles list styles internally with CSS classes.
Here's the official example:
<ul class="fa-ul">
<li><span class="fa-li"><i class="fas fa-check-square"></i></span>List icons can<...
Label points in geom_point
...
I solved this issue now by (a) extracting the legend of a plot without the geom_label_repel stackoverflow.com/questions/12041042/… and (b) adding it then with gridExtra::grid.arrange to a plot with the labels. If you know a simpler solution, I...
What is the global interpreter lock (GIL) in CPython?
... come across the GIL unless you're writing a C extension" - You might not know that the cause of your multi-threaded code running at a snails pace is the GIL, but you'll certainly feel its effects. It still amazes me that to take advantage of a 32-core server with Python means I need 32 processes wi...
How do I get the “id” after INSERT into MySQL database with Python?
...ate_batch = """insert into batch set type = "%s" , records = %i, started = NOW(); """
second_query = (update_batch % ( "Batch 1", 22 ))
cursor.execute(second_query)
cnx.commit()
batch_id = cursor.execute('select last_insert_id() from batch')
cursor.close()
batch_id
Out:
5
... or whatever the corr...
Using Linq to group a list of objects into a new grouped list of list of objects
I don't know if this is possible in Linq but here goes...
4 Answers
4
...
What is SYSNAME data type in SQL Server?
...Note that system type ID = 231 (nvarchar). It works as a type alias in TDS nowadays; the first ID of an alias is 256, which corresponds to sysname. As for usage: sysname is used in information schema's.
– atlaste
Jan 17 '14 at 15:06
...