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I need a select which would return results like this: SELECT * FROM MyTable WHERE Column1 CONTAINS 'word1 word2 word3' ... All words need to be in the result. Question&Answers:os...

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javascript - Difference Between throttling and debouncing a function

Can anyone give me a in-simple-words explanation about the difference between throttling and debouncing a ... .com/projects/jquery-throttle-debounce-plugin/ Question&Answers:os...

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

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html - AngularJS ngClass conditional

Is there any way to make an expression for something like ng-class to be a conditional? For example, I have tried the ... . Here is a plnkr to show what I mean. Question&Answers:os...

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

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python - How can I find script's directory?

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Simple C example of doing an HTTP POST and consuming the response

I would like to create a very simple C application that does an HTTP post. It will take a few parameters, ... searches haven't yielded anything on this matter. Question&Answers:os...

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es6 promise - Axios get access to response header fields

I'm building a frontend app with React and Redux and I'm using axios to perform my requests. I would like ... can see all the other fields are present. Bests. Question&Answers:os...

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How to check whether an array is empty using PHP?

players will either be empty or a comma separated list (or a single value). What is the easiest way to check ... = explode(",", $gamerow['players']); Question&Answers:os...

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What is the difference between YAML and JSON?

What are the differences between YAML and JSON, specifically considering the following things? Performance (encode/decode ... or JSON to store my Perl data? Question&Answers:os...

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

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c# - When & why to use delegates?

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How do I check in SQLite whether a table exists?

How do I, reliably, check in SQLite, whether a particular user table exists? I am not asking for unreliable ... or something? Or does my approach make sense? Question&Answers:os...

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xcode - Code signing is required for product type 'Application' in SDK 'iOS 10.0' - StickerPackExtension requires a development team error

I am facing the below issue and am unable to build the application. XXX has conflicting provisioning settings. ... profile. How to resolve this issue? Question&Answers:os...

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api design - What are best practices for REST nested resources?

As far as I can tell each individual resource should have only one canonical path. So in the following ... other resources but should be query-able separately? Question&Answers:os...

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r - Calculate cumulative sum (cumsum) by group

With data frame: df <- data.frame(id = rep(1:3, each = 5) , hour = rep(1:5, 3) , value = sample(1:15) ... 25 15 3 5 12 37 How can I do this efficiently? Thanks! Question&Answers:os...

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c++ - How do I use SDL2 in my programs correctly?

I want to make a game using SDL2, but I'm unable to compile and/or run my code, please help! ... canonical duplicate for common problems with setting up SDL2. Question&Answers:os...

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javascript - Parsing "relaxed" JSON without eval

What is the easiest method to parse "relaxed" JSON but avoid evil eval? The following throws an error: JSON.parse( ... for the sake of the test application :-) Question&Answers:os...

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PHP If Statement with Multiple Conditions

I have a variable$var. I want echo "true" if $var is equal to any of the following values abc, def, hij, klm ... to do this with a single statement like &&?? Question&Answers:os...

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

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php - array_diff() with multidimensional arrays

Using array_diff(), I can compare and remove similar items, but what if I have the following arrays? Array1 Array ( ... my array so that I can use array_diff()? Question&Answers:os...

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c# - Overlapping matches in Regex

I can't seem to find an answer to this problem, and I'm wondering if one exists. Simplified example: Consider ... done using a pattern, not a literal string. Question&Answers:os...

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php multi-dimensional array remove duplicate

Not sure if this question is a duplicate in need of removal, but I couldn't find the answer elsewhere so I'll ... but it just ain't right. Any help appreciated. Question&Answers:os...

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batch file - Why doesn't this FINDSTR example with multiple literal search strings find a match?

The following FINDSTR example fails to find a match. echo ffffaaa|findstr /l "ffffaaa faffaffddd" Why? Question&Answers:os...

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javascript - Changing the key name in an array of objects?

How can I change the key name in an array of objects? var arrayObj = [{key1:'value1', key2:'value2'},{key1:' ... :'value2'},{stroke:'value1', key2:'value2'}]; Question&Answers:os...

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plot - Storing ggplot objects in a list from within loop in R

My problem is similar to this one; when I generate plot objects (in this case histograms) in a loop, ... my explanation of the problem is confusing. Thanks! Question&Answers:os...

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android - SimpleCursorTreeAdapter and CursorLoader for ExpandableListView

I am trying to asynchronously query a provider by using a CursorLoader with a SimpleCursorTreeAdapter Here is my ... approach. Does anyone have any suggestions? Question&Answers:os...

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How to upload file in angularjs e2e protractor testing

I want to test file uploading using an angularjs e2e test. How do you do this in e2e tests? I run my test script through grunt karma. Question&Answers:os...

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javascript - How can I simulate a click to an anchor tag?

I want to simulate a click to an anchor tag with all extras like correct target handling. There seems to be a ... either since I haven't worked with it before. Question&Answers:os...

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dictionary - merging several python dictionaries

I have to merge list of python dictionary. For eg: dicts[0] = {'a':1, 'b':2, 'c':3} ... another question on SO but its about merging exactly 2 dictionaries. Question&Answers:os...

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Does SQL Server Offer Anything Like MySQL's ON DUPLICATE KEY UPDATE

In MySQL, if you specify ON DUPLICATE KEY UPDATE and a row is inserted that would cause a duplicate value in ... comparable to MySQL's ON DUPLICATE KEY UPDATE? Question&Answers:os...

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

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reactjs - Infinite loop in useEffect

I've been playing around with the new hook system in React 16.7-alpha and get stuck in an infinite loop ... checking weather the content has changed or not? Question&Answers:os...

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

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