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How to unit test a Node.js module that requires other modules and how to mock the global require fun
... while you are testing it.
This means you need no changes to your code in order to inject mocks for required modules.
Proxyquire has a very simple api which allows resolving the module you are trying to test and pass along mocks/stubs for its required modules in one simple step.
@Raynos is right ...
Call Go functions from C
...yAdd(a, b int) int {
return int( C.doAdd( C.int(a), C.int(b)) )
}
The order in which everything is called is as follows:
foo.MyAdd(a, b) ->
C.doAdd(a, b) ->
C.goCallbackHandler(a, b) ->
foo.goCallbackHandler(a, b)
The key to remember here is that a callback function must...
unable to copy/paste in mingw shell
...
The section about vim is helpful, however in order to paste something pressing 'p' worked, 'ctrl'+'shift'+'v' did not.
– MarkusParker
Apr 3 '18 at 13:55
...
Regular expression for a hexadecimal number?
...
If you're using Perl or PHP, you can replace
[0-9a-fA-F]
with:
[[:xdigit:]]
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How many files can I put in a directory?
... We have hundreds of thousands of images in our social network website. In order to improve the performance we were forced to have 100 (or 1000 for some files) sub directories and distribute the files into them (ext3 on linux+ Apache for us).
– wmac
Jul 24 '14 ...
区块链技术到底是什么鬼，为何被疯炒？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...节点都可以扮演“监督者”的身份，因此不用担心欺诈的问题。可扩展：区块链是一种底层开源技术，在此基础上可以实现各类扩展和去中心化、去信任化的应用。匿名化：数据交换的双方可以是匿名的，网络中的节点无需知道...
Recursive file search using PowerShell
... switches? They are terrible and remove features randomly. For example, in order to use -Include with a file, you must end the path with a wildcard. However, this disables the -Recurse switch without telling you:
Get-ChildItem -File -Recurse -Path ./bin/* -Include *.lib
You'd think that would giv...
Database sharding vs partitioning
...itioning. Partition pruning can often improve query performance by several orders of magnitude. For example, suppose an application contains an Orders table containing a historical record of orders, and that this table has been partitioned by week. A query requesting orders for a single week would o...
python generator “send” function purpose?
...cipe
Let us have a recipe, which expects predefined set of inputs in some order.
We may:
create a watched_attempt instance from the recipe
let it get some inputs
with each input return information about what is currently in the pot
with each input check, that the input is the expected one (and f...
SQL to determine minimum sequential days of access?
...NUMBER() OVER (PARTITION BY UserID
ORDER BY CreationDate)
- DATEDIFF(day,'19000101',CreationDate) AS TheOffset,
CreationDate,
UserID
FROM tablename)
SELECT MIN(CreationDate),
MAX(CreationDate),
...