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git - Download a single folder or directory from a GitHub repo

How can I download only a specific folder or directory from a remote Git repo hosted on GitHub? Say the ... folder and not clone the whole Test project. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How does asyncio actually work?

This question is motivated by my another question: How to await in cdef? There are tons of articles and blog ... in principle, be aware of this happening? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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481 views

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php - How to determine the first and last iteration in a foreach loop?

The question is simple. I have a foreach loop in my code: foreach($array as $element) { //code } In this loop, ... in first or last iteration. How to do this? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How does String substring work in Swift

I've been updating some of my old code and answers with Swift 3 but when I got to Swift Strings and Indexing ... an answer below to show how they are used. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - HTML5 Pre-resize images before uploading

Here's a noodle scratcher. Bearing in mind we have HTML5 local storage and xhr v2 and what not. I was wondering if ... to the response on this one. Ta for now. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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833 views

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unix - How to read a file into a variable in shell?

I want to read a file and save it in variable, but I need to keep the variable and not just print out the file. ... a variable! Is there an easy way to do this? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to add a custom right-click menu to a webpage?

I want to add a custom right-click menu to my web application. Can this be done without using any pre-built ... want it to be completely hand-made by me. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iphone - How to disable phone number linking in Mobile Safari?

Safari on iPhone automatically creates links for strings of digits that appear to the telephone numbers. I am writing a ... whole page or an element on a page? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - How to sort a NSArray alphabetically?

How can I sort an array filled with [UIFont familyNames] into alphabetical order? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to extract the decision rules from scikit-learn decision-tree?

Can I extract the underlying decision-rules (or 'decision paths') from a trained tree in a decision tree as a textual list? ... .2 then if C>0.8 then class='X' Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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196 views

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python - Why isn't my Pandas 'apply' function referencing multiple columns working?

Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to convert a PIL Image into a numpy array?

Alright, I'm toying around with converting a PIL image object back and forth to a numpy array so I can do some ... but can't quite seem to get it to behave. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Constructor initialization-list evaluation order

I have a constructor that takes some arguments. I had assumed that they were constructed in the order listed, but in ... { } OtherClass a_; AnotherClass b_; }; Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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452 views

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java - How to get current moment in ISO 8601 format with date, hour, and minute?

What is the most elegant way to get ISO 8601 formatted presentation of the current moment, UTC? It ... getDateTimeInstance(DateFormat.ISO_8601).format(date); `` Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How can I use speech recognition without the annoying dialog in android phones

Is this possible without modify the android APIs? I've found a article about this. There's one a comment ... sure to delete the annoying Logs after debugging! Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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371 views

1 answer

Android Spinner: Get the selected item change event

How can you set the event listener for a Spinner when the selected item changes? Basically what I am ... handleSelectionChange(Object sender){ //handle event } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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240 views

1 answer

Does the join order matter in SQL?

Disregarding performance, will I get the same result from query A and B below? How about C and D? -- A select * ... a join c on <blahblah> join b on <blahblan> Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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722 views

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scripting - How to delete items from a dictionary while iterating over it?

Is it legitimate to delete items from a dictionary in Python while iterating over it? For example: for k, ... solution? Are there more elegant/efficient ways? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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260 views

1 answer

jquery - What's the difference between `on` and `live` or `bind`?

In jQuery v1.7 a new method, on was added. From the documentation: The .on() method attaches event handlers to ... .' What's the difference with live and bind? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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589 views

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python - What's the bad magic number error?

What's the "Bad magic number" ImportError in python, and how do I fix it? The only thing I can find ... line 7, in <module> from Normalization import Normalizer Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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class - Splitting templated C++ classes into .hpp/.cpp files--is it possible?

I am getting errors trying to compile a C++ template class which is split between a .hpp and .cpp file: $ g++ ... stack.cpp to stack.hpp and be done with it. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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286 views

1 answer

javascript - how to split the ng-repeat data with three columns using bootstrap

I am using ng-repeat with my code I have 'n' number of text box based on ng-repeat. I want to align the ... ng-model="oneExt.newValue" value=""/> </div> Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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255 views

1 answer

c++ - How does virtual inheritance solve the "diamond" (multiple inheritance) ambiguity?

class A { public: void eat(){ cout<<"A";} }; class B: virtual public A { public: void eat() ... inheritance resolve the issue (help compiler take the decision)? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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466 views

1 answer

shell - How to run the sftp command with a password from Bash script?

I need to transfer a log file to a remote host using sftp from a Linux host. I have been provided ... but there was no satisfactory answer to my problem. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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176 views

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python - Cost of len() function

What is the cost of len() function for Python built-ins? (list/tuple/string/dictionary) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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142 views

1 answer

python - How to open a file using the open with statement

I'm looking at how to do file input and output in Python. I've written the following code to read a list of ... ') letsgo = filter(text,'Spanish', 'Spanish2') Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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99 views

1 answer

How to block calls in android

I want to block calls from few numbers, for that I want to write a app of my own. So what are the APIs which ... mute it or if possible mute it and record it. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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372 views

1 answer

html - JavaScript Form Submit - Confirm or Cancel Submission Dialog Box

For a simple form with an alert that asks if fields were filled out correctly, I need a function that does this: ... to pay online!" value="Submit"> </form> Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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