Mutable data types are those whose values can be changed after creation. The memory location of a mutable object remains unchanged when it is modified in-place. As a result, all references to that object will change. Examples of mutable data types in Python include: list: Lists are orde...
.fetchall() returns an list of rows (which will be empty if there are no rows): >>> print(db.execute('select x from x').fetchall()) [] Calling the iterator step function manually will throw StopIteration if there are no more rows (that is how "for row in iter(...)" knows to...
In Python, the comparison operator (==) and equals() methods are used in different ways when working with strings. To differentiate between the == operator and the equals method in Python we have to use them with string comparison. String comparison widely occurs when we work with strings ...
youshouldget a no-op: the container that we've specified (nginx) still exists in the server, and extra containers inside thecontainersfield are not of concern to us (and we should not clobber them). However, there is no way to programatically see if this is a list that should be merge...
Re: [sqlite] Differentiate between an empty result set and an error using Python3 If you run a query that returns no results, then cursor.fetchone() will return None, or cursor.fetchall() will return an empty list. If there is an error...
In addition to expressing pure maps, you can use fast collective communication operations between devices: from functools import partial from jax import lax @partial(pmap, axis_name='i') def normalize(x): return x / lax.psum(x, 'i') print(normalize(jnp.arange(4.))) # prints [0. 0.16...
Human naïve pluripotent stem cells (hnPSCs) can generate integrated models of blastocysts termed blastoids upon switch to inductive medium. However, the underlying mechanisms remain obscure. Here we report that self-renewing hnPSCs spontaneously and e
Next-generation sequencing (NGS) has become a widely used tool for diagnosing neuromuscular diseases and efficiently identifies genetic mutations associated with conditions such as muscular dystrophy [42]. However, its ability to differentiate between the subtypes of DMD and BMD still requires further ...
in the pre-implantation embryo between human and mouse4,5,6. During early embryo development, outer trophectoderm (TE) and inner cell mass (ICM) cells are segregated first, and subsequently ICM cells segregate at the blastocyst stage into naïve pluripotent epiblast (EPI) and hypoblast (HYP)7...
>> Forgive me if this is an FAQ, but in looking over the python3 interface to >> SQLITE3, I cannot see a way to get the result code (SQLITE_OK) after an >> execute() command. > >> My use case is to differentiate between an empty row set (OK) vs an error ...