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What are the advantages of NumPy over regular Python lists?
...iently implemented.
For example, you could read your cube directly from a file into an array:
x = numpy.fromfile(file=open("data"), dtype=float).reshape((100, 100, 100))
Sum along the second dimension:
s = x.sum(axis=1)
Find which cells are above a threshold:
(x > 0.5).nonzero()
Remove ...
What is the point of a “Build Server”? [closed]
...n a developer commits something with a problem, like not checking in a new file dependency, they can be notified quickly. Doing this in a staged area let's you flag the code that has built so that developers don't pull code that would break their local build. PVCS did this quite well using the ide...
EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
...it will be something like the following:
// DatabaseContext.cs -- This file is auto generated and thus shouldn't be changed.
public partial class [DatabaseContextName] : DbContext { ... }
So, in another file you can create the same definition and override the parts you want to.
// partialDa...
Disable a group of tests in rspec?
...presented regularly rather than buried in a comment or an excluded example/file.
Changing it to pending or xit is quick and easy, but I prefer the hash construction. It gives you every-run documentation, is a drop-in (doesn't change describe/context/it so I have to decide what to use again later), ...
Read environment variables in Node.js
... convert the value to a string.
Avoid Boolean Logic
Even if your .env file defines a variable like SHOULD_SEND=false or SHOULD_SEND=0, the values will be converted to strings (“false” and “0” respectively) and not interpreted as booleans.
if (process.env.SHOULD_SEND) {
mailer.send();...
Simulate delayed and dropped packets on Linux
... an interface with no rules will give the error RTNETLINK answers: No such file or directory.
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C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...tomation 類別
...
/*导入Office的类型库*/
#import "C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\OFFICE15\\MSO.DLL" \
rename("RGB", "MSORGB") \
rename("DocumentProperties", "MSODocumentProperties")
//using namespace Office;
/*导入VB的类型库*/
#import "C:\\Pr...
How can I change the remote/target repository URL on Windows? [duplicate]
... easiest way to tweak this in my opinion (imho) is to edit the .git/config file in your repository. Look for the entry you messed up and just tweak the URL.
On my machine in a repo I regularly use it looks like this:
KidA% cat .git/config
[core]
repositoryformatversion = 0
filemode = true...
What does a type followed by _t (underscore-t) represent?
... caught any time. Generally, the standardized _t types use all lower-case (FILE and DIR are two exceptions, twice - all caps, and no _t), so you could use CamelCase_t with moderate safety, with or without the leading caps. The system I mainly work on tends to live dangerously and use _t anyway, but ...
Django Rest Framework: Dynamically return subset of fields
...f fields else None
def get_serializer(self, instance=None, data=None, files=None, many=False,
partial=False, allow_add_remove=False):
"""
Return the serializer instance that should be used for validating and
deserializing input, and for serializing...