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ios - How to pass data from modal view controller back when dismissed

I've followed the instructions here but I'm still unsure about this part: modalVC.delegate=self; self. ... typeState) print(categoryState) } See Question&Answers more detail:os...

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

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android - Using GSON with proguard enabled

My code works perfectly without proguard, but GSON doesn't work when proguard is enabled. This is the part of ... ){ return imagenCategoria; } } See Question&Answers more detail:os...

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

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98 views

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How to make ASP.Net MVC model binder treat incoming date as UTC?

I'm posting an object to an MVC controller. The object contains a field called StartDt and on the client it ... Date that came from the client. See Question&Answers more detail:os...

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

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python - How to get alpha value of a PNG image with PIL?

How to detect if a PNG image has transparent alpha channel or not using PIL? img = Image.open('example ... zlibc packages are already installed. See Question&Answers more detail:os...

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

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android - Streaming Youtube Videos

I am writing an application to play youtube videos using streaming. First method: I am getting the RTSP URL to ... let me know your thoughts. See Question&Answers more detail:os...

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

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c# - Difference between IEnumerable Count() and Length

What are the key differences between IEnumerable Count() and Length? See Question&Answers more detail:os...

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

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coding style - Java Conventions: use getters/setters WITHIN the class?

My professor really emphasizes protecting against privacy leaks by always using accessors and mutators to access private ... .getAge(); } See Question&Answers more detail:os...

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

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php - Simpler way to check if variable is not equal to multiple string values?

Current Codes: <?php // See the AND operator; How do I simplify/shorten this line? if( $some_variable != ... ways to shorten the codes. See Question&Answers more detail:os...

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

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ios - Cannot set searchBar as firstResponder

I have a searchBar I'm setting in a tableviewcontroller. i've referenced this similar question UISearchBar cannot ... but no keyboard appears. See Question&Answers more detail:os...

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

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combobox - How to get the selected item of a combo box to a string variable in c#

Can anyone tell me how to get the selected item of a ComboBox to a string variable? string selected = ... .Data.DataRowView in my MessageBox See Question&Answers more detail:os...

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

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c# - How to access elements of a JArray (or iterate over them)

I have the following Json gotten from Twitter + token {[ { "trends": [ { "name": "Croke Park II", ... individual elements in this Json JArray? See Question&Answers more detail:os...

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

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oop - Getting static property from a class with dynamic class name in PHP

I have this: one string variable which holds the class name ($classname) one string variable with holds the property ... in some of the cases) See Question&Answers more detail:os...

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

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896 views

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spring - How to import Java-config class into XML-config so that both contexts have beans?

I have a project where I need to bootstrap @Configuration java-config classes into the XML configuration. To do that, I ... how I can do that? See Question&Answers more detail:os...

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

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Copying of an array of objects to another Array without object reference in javascript(Deep copy)

I have a scenario where i need to copy the array of Objects(Main array) to another Temp array which should ... this regard. Thanks in advance. See Question&Answers more detail:os...

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

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c++ - How to alter a float by its smallest increment (or close to it)?

I have a double value f and would like a way to nudge it very slightly larger (or smaller) to get a new ... and not round back to the original. See Question&Answers more detail:os...

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

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593 views

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asp.net mvc - MVC4 input field placeholder

Does MVC4 by default support placeholders for generated input fields? I didn't found anything so I am trying to ... value="" class="valid"> See Question&Answers more detail:os...

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

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552 views

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memory error in python

Traceback (most recent call last): File "/run-1341144766-1067082874/solution.py", line 27, in main() File "/run ... == "__main__": main() See Question&Answers more detail:os...

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

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garbage collection - Can you get basic GC stats in Java?

I would like to have some long-running server applications periodically output general GC performance numbers in Java, ... obtains one of these? See Question&Answers more detail:os...

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

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582 views

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Concatenate sparse matrices in Python using SciPy/Numpy

What would be the most efficient way to concatenate sparse matrices in Python using SciPy/Numpy? Here I used the ... converted to a deep format. See Question&Answers more detail:os...

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

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311 views

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C#: Getting Names of properties in a chain from lambda expression

I'm developing a API that uses lambda expressions to specify properties. I'm using this famous piece of code ... what they are talking about. See Question&Answers more detail:os...

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

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528 views

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svn - Getting the subversion repository number into code

I'd like to implement a way of recording the version of a project within code, so that it can be used ... suggest a better alternative? Thanks. See Question&Answers more detail:os...

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

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334 views

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java - Android HttpClient persistent cookies

UPDATE: This question and its answers should no longer be recommended to anyone reading this. Android no- ... cookies persist across intents? See Question&Answers more detail:os...

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

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283 views

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c++ - Are const_iterators faster?

Our coding guidelines prefer const_iterator, because they are a little faster compared to a normal iterator. It seems ... which both were equal. See Question&Answers more detail:os...

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

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319 views

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AngularJs Remove duplicate elements in ng-repeat

I have one dictionary which is stored in field_detail <li ng-repeat = "field in field_detail">{{field.displayName} ... what filter should I use? See Question&Answers more detail:os...

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

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255 views

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python - double click to open an ipython notebook

Related posts: Open an ipython notebook via double-click on osx How can I open Ipython notebook from double click? ... verified way to do this? See Question&Answers more detail:os...

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

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209 views

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Memory overhead of Java HashMap compared to ArrayList

I am wondering what is the memory overhead of java HashMap compared to ArrayList? Update: I would like to improve ... by Object or another one? See Question&Answers more detail:os...

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

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466 views

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c++ - Return Type Covariance with Smart Pointers

In C++ we can do this: struct Base { virtual Base* Clone() const { ... } virtual ~Base(){} }; ... indeed doesn't compile, thanks to Iammilind See Question&Answers more detail:os...

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

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184 views

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ios - Changed project name in Xcode causing naming error

My old name consisted of a camel case type name similar to this MyApp I then changed it to Myapp ' ... the -temp-caseinsensitive-rename portion? See Question&Answers more detail:os...

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

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