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Flatten nested dictionaries, compressing keys
...
Or if you are already using pandas, You can do it with json_normalize() like so:
import pandas as pd
d = {'a': 1,
'c': {'a': 2, 'b': {'x': 5, 'y' : 10}},
'd': [1, 2, 3]}
df = pd.io.json.json_normalize(d, sep='_')
print(df.to_dict(orient='records')[0])
Output:
{'a...
How do I trigger the success callback on a model.save()?
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Your server must return a JSON object. If the response is not a JSON object, the callbacks will not fire.
If for success your server doesn't return a JSON object, perform a save with dataType:"text" option, like this:
this.model.save([],{
dataType:...
Print a list of all installed node.js modules
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Use npm ls (there is even json output)
From the script:
test.js:
function npmls(cb) {
require('child_process').exec('npm ls --json', function(err, stdout, stderr) {
if (err) return cb(err)
cb(null, JSON.parse(stdout));
});
}
npmls(conso...
提升速度：XP注册表与驱动优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...提升为最高的“实时”，这样可以计算机更专注更快速地处理3D动作。
5、取消Windows XP专业版中的保留带宽
由于专业版在网络上的需要，所以设定了20%的默认保留带宽，其实对于个人用户，这些保留的带宽是没有用处的，使用...
Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...约 1500 bytes），那么对于 10、100、1000 bytes 不同包大小的处理吞吐能力实际结果差不多。关于吞吐量与数据大小的关系可见下面官方网站提供的示意图。
验证
基于我们真实的使用场景，我们搭建了性能验证环境，作了一个验...
Go Error Handling Techniques [closed]
...rr := q.Q(
ioutil.ReadAll, rq.Body, // read json (returns json and error)
)(
// q.V pipes the json from the previous function call
json.Unmarshal, q.V, u, // unmarshal json from above (returns error)
)(
u.Validate, // va...
Should bower_components be gitignored?
Would it be good practice to keep only the bower.json file and gitignore the whole bower_components directory?
6 Answer...
Bower and devDependencies vs dependencies
...ls 1.0.8, I uninstalled the angular components, however the original bower.json file had angular-mocks and angular-scenario under 'devDependencies' when I re-add all the 1.2.0-rc.2 components angular-mocks and angular-scenario under dependencies instead of devDependencies.
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.NET WebAPI Serialization k_BackingField Nastiness
... and the properties to be included with [DataMember] (because both DCS and JSON.NET respsect these attributes).
If for some reason, you need the [Serializable] on your class (i.e. you are serializing it into a memory stream for some reason, doing deep copies etc), then you have to use both attribut...
How to set environment variables from within package.json
How to set some environment variables from within package.json to be used with npm start like commands?
14 Answers
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