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Python: fastest way to create a list of n lists
...r more formal and can be extended in a variety of situations, after having read a dataset.
Method 1: Conceptual
X2=[]
X1=[1,2,3]
X2.append(X1)
X3=[4,5,6]
X2.append(X3)
X2 thus has [[1,2,3],[4,5,6]] ie a list of lists.
Method 2 : Formal and extensible
Another elegant way to store a list as a li...
What does “exec sp_reset_connection” mean in Sql Server Profiler? [duplicate]
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(like @@error)
Stops all EC's (execution contexts)
that are child threads of a parent EC
executing a parallel query
Waits for any outstanding I/O
operations that is outstanding
Frees any held buffers on the
server by the connection
Unlocks any buffer resources
that are used by t...
JQuery: detect change in input field [duplicate]
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So read again the link and you'll see: "Unlike the input event, the change event is not necessarily fired for each change to an element's value." Which seems what the person posting the question needs
– Dan...
Which is more efficient, a for-each loop, or an iterator?
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If you are just wandering over the collection to read all of the values, then there is no difference between using an iterator or the new for loop syntax, as the new syntax just uses the iterator underwater.
If however, you mean by loop the old "c-style" loop:
for(int i=0...
Using varchar(MAX) vs TEXT on SQL Server
I just read that the VARCHAR(MAX) datatype (which can store close to 2GB of char data) is the recommended replacement for the TEXT datatype in SQL Server 2005 and Next SQL SERVER versions.
...
How to redirect the output of the time command to a file in Linux?
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If you want to use time with something like grep that reads off of stdout try { time sleep 1; } 2>&1 | grep real. This sends stderr to stdout which grep can then read.
– clayzermk1
Jul 31 '14 at 20:16
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HashMap and int as key
... will automatically autobox your int primitive values to Integer objects.
Read more about autoboxing from Oracle Java documentations.
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How can I temporarily disable a foreign key constraint in MySQL?
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@Pacerier From reading that, it appears you can, but only for a single session.
– Brett
Feb 26 '19 at 21:37
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Resolving LNK4098: defaultlib 'MSVCRT' conflicts with
...IMO this link from Yochai Timmer was very good and relevant but painful to read. I wrote a summary.
Yochai, if you ever read this, please see the note at the end.
For the original post read : warning LNK4098: defaultlib "LIBCD" conflicts with use of other libs
Error
LINK : warning LNK4098: default...
R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?
... While immutability is a great/desirable property for objects (read: less bugs) I don't think immutability relates to the += question. In other languages += can be applied to immutable types (like strings in .net). The operation simply creates a new object and assigns the given variabl...