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Sequence-zip function for c++11?

...combine.hpp> #include <vector> #include <list> #include <string> int main() { std::vector<int> a {4, 5, 6}; double b[] = {7, 8, 9}; std::list<std::string> c {"a", "b", "c"}; for (auto tup : boost::combine(a, b, c, a)) { // <--- int x, w...
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Version number comparison in Python

... Remove the uninteresting part of the string (trailing zeroes and dots), and then compare the lists of numbers. import re def mycmp(version1, version2): def normalize(v): return [int(x) for x in re.sub(r'(\.0+)*$','', v).split(".")] return cmp(n...
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How to detect duplicate values in PHP array?

... This solution does not cover any non-integer and non-string values and in conclusion it produces sideffects. – codekandis May 29 '18 at 12:18 add a comme...
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What's the difference between the WebConfigurationManager and the ConfigurationManager?

...ger with Reflector then things are clear: public static object GetSection(string sectionName) { ... return ConfigurationManager.GetSection(sectionName); } public static object GetSection(string sectionName, string path) { ... return HttpConfigurationSystem.GetSection(sectionName, p...
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How to print out the method name and line number and conditionally disable NSLog?

...t that (@"%s [Line %d] " fmt) causes the fmt to be appended to the control string? I haven't seen this syntax other than is this debug macro. – Robert Altman May 1 '11 at 19:29 ...
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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?

...d.isna(), in newer versions) checks for missing values in both numeric and string/object arrays. From the documentation, it checks for: NaN in numeric arrays, None/NaN in object arrays Quick example: import pandas as pd import numpy as np s = pd.Series(['apple', np.nan, 'banana']) pd.isnull(s...
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Copy existing project with a new name in Android Studio

... your project is now completely under the new name. Open up the res/values/strings.xml file, and change the name of the project. Don't forget to change your application ID in the "Gradle Build Module: app". A last step is to clean and rebuild the project otherwise when trying to run your project And...
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Need to log asp.net webapi 2 request and response body to a database

...est.Content != null) { // log request body string requestBody = await request.Content.ReadAsStringAsync(); Trace.WriteLine(requestBody); } // let other handlers process the request var result = await base.SendAsync(request, cancella...
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What is the apply function in Scala?

...ed as a reference to Function1[Int,Int] object. For example, we can call toString method inherited from Any, that would have been impossible for a pure function, because functions don't have methods: f.toString Or we could define another Function1[Int,Int] object by calling compose method on f...
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How to put multiple statements in one line?

...t I just want the code to continue running ... for instance, to check if a string can be an integer try: int(string) ... If it can't, then just continue to the next line, no need for an exception. I see what you're saying, but is there any other way that can accommodate for this type of checking/err...