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Does pandas iterrows have performance issues?
...rows should only be used in very, very specific cases. This is the general order of precedence for performance of various operations:
1) vectorization
2) using a custom cython routine
3) apply
a) reductions that can be performed in cython
b) iteration in python space
4) itertuples
5) iterro...
static linking only some libraries
... to link it statically. There are, however, some tricky details about the order in which symbols get resolved; I'm not quite sure how that works. I've learned that, when in doubt, try rearranging the order of library flags :-)
– bchurchill
Aug 5 '16 at 23:02
...
How to run Gulp tasks sequentially one after the other
...nt before. It's a better solution to have independent tasks and decide the order of execution with an external tool.
– AxeEffect
May 17 '17 at 16:52
11
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PHP Redirect with POST data
...d a list of things being purchased and customer details
$.getJSON('setupOrder.php', {listOfProducts: products, customerDetails: details }, function(data) {
if (!data.error) {
$('#paymentForm #customInvoiceID').val(data.id);
$('#paymentForm').submit(); //Send client to the payment proc...
HintPath vs ReferencePath in Visual Studio
...5/09/28/resolving-file-references-in-team-build-part-2/
There is a search order for assemblies when building. The search order is as follows:
Files from the current project – indicated by ${CandidateAssemblyFiles}.
$(ReferencePath) property that comes from .user/targets file.
%(HintPath) metada...
how to check the dtype of a column in python pandas
...y of the question is specific. So any other answers may be used.
But in order to fully answer the title question it should be clarified that it seems like all of the approaches may fail in some cases and require some rework. I reviewed all of them (and some additional) in decreasing of reliabilit...
Why use 'virtual' for class properties in Entity Framework model definitions?
...any navigation properties are not relevant at first. i.e. In a customer / Orders scenario, you do not have to wait until the moment an order is processed to create a customer. You can, but if you had a multi-stage process to achieve this, you might find the need to persist the customer data for la...
When should you NOT use a Rules Engine? [closed]
...et very nervous when I see people using very large rule sets (e.g., on the order of thousands of rules in a single rule set). This often happens when the rules engine is a singleton sitting in the center of the enterprise in the hope that keeping rules DRY will make them accessible to many apps tha...
How to use the pass statement?
... In such cases, the block may contain pass in addition to the docstring in order to say “This is indeed intended to do nothing.”, for example in pebl:
class ParsingError(Exception):
"""Error encountered while parsing an ill-formed datafile."""
pass
In some cases, pass is used as a pla...
Localization of DisplayNameAttribute
...
We are doing this for a number of attributes in order to support multiple language. We have taken a similar approach to Microsoft, where they override their base attributes and pass a resource name rather than the actual string. The resource name is then used to perform a ...