With Peewee I'm trying to use limit as follows: one_ticket = Ticket.select().limit(1) print one_ticket.count() This prints out 5 however. Does anybody know what's wrong here?

This should be an interresting challenge. I'm looking for an algorithm that doesn't exist yet (to the best of my knowledge) We have a database accessing function that can read pages of records at...

I have a Lambda using the AWS Java SDK that is triggered via SQS. The SQS message contains at least one S3 bucket/key combination. The lambda reads the specified file which is full of tomcat log ev...

Docker supports a --cpus option which constrains a container to using a certain proportion of the host's computing resource. For example, --cpus 2.5 will allocate computing resource equivalent to a...

I wrote query select * from table where exists (select 1 from table1 where table.column = table1.column) If i will change it to select * from table where exists (select 1 from table1 where ta...

from f in CUSTOMERS where depts.Contains(f.DEPT_ID) select f.NAME depts is a list (IEnumerable<int>) of department ids This query works fine until you pass a large list (say around 3000 de...

I have 3 tables with the exact same structure and I need to query them as one big table, order and limit this big table as a whole. The limit is an offset as I use a pagination. This is what I hav...

The logic is of the model is: A Building has many Rooms A Room may be inside another Room (a closet, for instance--ForeignKey on 'self') A Room can only be inside another Room in the same build...

Does it matter how many files I keep in a single directory? If so, how many files in a directory is too many, and what are the impacts of having too many files? (This is on a Linux server.) Backgr...

I am writing a stored procedure where I have an input parameter called my_size that is an INTEGER. I want to be able to use it in a LIMIT clause in a SELECT statement. Apparently this is not suppor...

This formula is great Limit the number of words in a response with a regular expression It works great in English But probably not so good in Hebrew Is there anything that should be changed? I ente...

I have obtain the download url via webContentLink (https://docs.google.com/a/onwardsct.com/uc?id=0ByvXJAlpPqQPYWNqY0V3MGs0Ujg&export=download) During testing, I try to download 28 times (testin...

How many pointers (*) are allowed in a single variable? Let's consider the following example. int a = 10; int *p = &a; Similarly we can have int **q = &p; int ***r = &q; and so o...

I have an issue with a systemd config for ElasticSearch. [Unit] Description=platform-elasticsearch After=syslog.target network.target remote-fs.target nss-lookup.target [Service] User={{ app_user...

I have a doctrine query that returns blog posts and their comments: SELECT b, c FROM BlogPost b LEFT JOIN b.comments c I would like to limit the results to 10 blog posts. According to the DQL do...

I want to update rows in my table with starting from 1001 to next 1000. I tried with following query: UPDATE `oltp_db`.`users` SET p_id = 3 LIMIT 1001, 1000 This is giving me syntax error. Is ...

I'm running this query: select * from schema.table but i'm only getting the first 1000 rows i see in the output window that there was a LIMIT clause appended to my select statement. Is there a wa...

I want to access the first 100 rows of a spark data frame and write the result back to a CSV file. Why is take(100) basically instant, whereas df.limit(100) .repartition(1) .write .mode(SaveMode...

My queries get very slow when I add a limit 1. I have a table object_values with timestamped values for objects: timestamp | objectID | value -------------------------------- 2014-01-27| 234 | ...

Django has various numeric fields available for use in models, e.g. DecimalField and PositiveIntegerField. Although the former can be restricted to the number of decimal places stored and the overa...

I just started learning my first real programming language, Python. I'd like to know how to constrain user input in a raw_input to certain characters and to a certain length. For example, I'd like ...

I have a dataframe of the following format: name merged key1 (internalKey1, value1) key1 (internalKey2, value2) ... key2 (internalKey3, value3) ... What I want to do is group the dataframe by th...

I'm trying to do something like : SELECT * FROM table LIMIT 10,20 or SELECT * FROM table LIMIT 10 OFFSET 10 but using SQL Server The only solution I found looks like overkill: SELECT * FROM...

I would like to set a maximum execution time for sql queries like set_time_limit() in php. How can I do ?

How would I limit upload and download speed from the server in golang? I'm writing a golang server to allow users to upload and download files. And file is big, about 1GB bytes. I want to limit th...