cszhang
cszhang
I want to get the location of k-mer in reads. What should I do to get it?
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eg ``` for read in pyfastx.Fastq(f'{u}.fastq'): read_id = read.name # read_id = original read_id plus phred ```
please upgrade this UserWarnning
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```python3 #%% import threading import time import dataset engine_kwargs={"echo":False, "pool_size":3, "max_overflow":2, "pool_recycle":180,"pool_pre_ping":True,"pool_use_lifo":True} config_str='postgresql://postgres:[email protected]:5432/test' db = dataset.connect(config_str,engine_kwargs=engine_kwargs) print(len(db.connections)) def insert_data(): with db as tx: print(len(db.connections),"insert",threading.current_thread().getName()) tx['user'].insert(dict(name='John Doe', age=46, country='China')) print(len(db.connections),"end",threading.current_thread().getName()) threads...
`https://textbooks.math.gatech.edu/ila/chap-algebra.html` you will see `hnow` to express all solutions of a system of linear equations in a unique way using the parametric form of the general solution.
如果分库server的库存减和总redis库存减的操作是原子操作这个是前提的话,8点放票,此时库存都是足够的,瞬间所有的分仓库都会去请求Redis。100W并发请求,就可能有绝大多数的请求同样也会去Redis。 这个问题如何解决。单单去增加redis服务器的并发能力吗?
这个key是什么? 数据库里加密字符串用的?