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How unique is UUID?
...n 1 UUIDs in a second to encounter a duplicate; one must merely generate a batch of 16,384 UUIDs within the span of a single "tick" in order to overflow the sequence number. I have seen this happen with an implementation that relied, naively, on a clock source that (1) had μs-level granularity, an...
Why is Hibernate Open Session in View considered a bad practice?
...which can, in turn, trigger N+1 query problems. Although Hibernate offers @BatchSize for fetching associations in batches, and FetchMode.SUBSELECT to cope with this scenario, the annotations are affecting the default fetch plan, so they get applied to every business use case. For this reason, a data...
Difference between CMAKE_CURRENT_SOURCE_DIR and CMAKE_CURRENT_LIST_DIR
...mes in handy when you need to locate resource files like template files or batch scripts that are located next to the CMakeLists.txt file currently being processed.
Note: When using the add_subdirectory() command rather than include(), the behavior is different, and when src/CMakeLists.txt is being...
How to deploy an ASP.NET Application with zero downtime
...e site so the first user doesn't cause an application start. Then using a batch file I copy the live host header to B, stop A and start B.
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how to mysqldump remote db from local machine
...or table in `mysql -u $user -p$pass $dbname -h $host -N -e "show tables" --batch`; do
if [ "`echo $3 | grep $table`" = "" ]; then
echo "Comparing '$table'..."
dump $1 /tmp/file1.sql
dump $2 /tmp/file2.sql
diff -up /tmp/file1.sql /tmp/file2.sql >> /tmp/db.diff
else
echo ...
Passing route control with optional parameter after root in express?
...lare and use them easily using express:
app.get('/api/v1/tours/:cId/:pId/:batchNo?', (req, res)=>{
console.log("category Id: "+req.params.cId);
console.log("product ID: "+req.params.pId);
if (req.params.batchNo){
console.log("Batch No: "+req.params.batchNo);
}
});
In th...
postgresql COUNT(DISTINCT …) very slow
... amount of work_mem (where hashing will produce relatevely large amount of batches). Since that, it's not always bad to use COUNT (DISTINCT()_, isn't?
– St.Antario
Oct 12 '15 at 10:39
...
What is Virtual DOM?
...rrent DOM look like the new one. Those operations are applied quickly in a batch.
Taken from here.
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Increasing the maximum number of TCP/IP connections in Linux
...load.html
We can do some work in client side too:
Try to group calls in batch, reduce the traffic and total requests number b/w client and server.
Try to build a cache mid-layer to handle unnecessary duplicates requests.
...
Install parent POM without building Child modules
... It isolated maven module inheritance (dependencies, properties etc) from batch building (child modules).
– Danubian Sailor
Jun 4 '13 at 11:23
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