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python - Is there a difference between "raise exception()" and "raise exception" without parenthesis?

Defining a parameterless exception: class MyException(Exception): pass When raised, is there any difference between: ... an overloaded syntax? 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 - Is it possible to use proguard in debug mode?

In my android app, i want to test some features with proguard on. I don't need to really "debug" ... multiple correct answers to this question. 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 text view color doesn't change when disabled

When I call setEnabled(false) for a TextView object the text color doesn't change. I expected it will be changed ... to normal. Any ideas ? 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 - Set View Width Programmatically

I am trying to set the width and height of a view in code to show an ad for a free app I am working on. ... E/AndroidRuntime(586): ... 21 more 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# - Int128 in .Net?

I need to do some large integer math. Are there any classes or structs out there that represent a 128-bit integer ... to represent a 96-bit int. 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: filtering lists by indices

In Python I have a list of elements aList and a list of indices myIndices. Is there any way I can retrieve all at once ... ['a', 'd', 'e'] 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 do we check if a pointer is NULL pointer?

I always think simply if(p != NULL){..} will do the job. But after reading this Stack Overflow question, ... pointers can have non-zero value? See Question&Answers more detail:os...

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

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javascript - Angular 2 Quickstart: unexpected token <

I am trying to set up angular 2 according the quickstart found at http://angular.io. I have copied every ... Thanks in advance for any help. 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 - Error: open failed: ENOENT (No such file or directory)

I was trying to create a file to save pictures from the camera, it turns out that I can't create the file ... ENOENT (No such file or directory) See Question&Answers more detail:os...

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

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How to combine several run configurations in Intellij together?

I have an intellij project with several modules. Some of the modules should be run as servers. For every ... the project is fully mavenized. See Question&Answers more detail:os...

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

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How to reset form validation on submission of the form in ANGULAR 2

I have to reset my form along with validation. is there any method to reset the state of form from ng-dirty to ng-pristine. See Question&Answers more detail:os...

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

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How to update axis using d3.js

I'm trying to display different data on a graph. The user can change the displayed data clicking on a radio ... js version: v3.1.10 Maxime See Question&Answers more detail:os...

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

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Found com.google.android.gms:play-services:8.4.0, but version 8.3.0 is needed for the google-services plugin

Can't use google maps because of above said error. Anyone find the same issue ? 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: Replace with regex

I need to replace part of a string. I was looking through the Python documentation and found re.sub. import re s ... tell me what I did wrong? 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 - ViewPager: Recursive entry to executePendingTransactions

I have a ViewPager within a ViewPager and I am getting this exception 09-07 18:30:26.392: ERROR/ ... understand how it actually works. See Question&Answers more detail:os...

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

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java - Set field value with reflection

I'm working with one project which is not opensource and I need to modify one or more its classes. In one ... null, new ConcurrentHashMap<>()); See Question&Answers more detail:os...

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

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996 views

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layout - How to make a Qt widget invisible without changing the position of the other Qt widgets?

I've got a window full of QPushButtons and QLabels and various other fun QWidgets, all layed out ... dozen different QWidget subclasses. 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# - Eliminate consecutive duplicates of list elements

Is there a "nice" way to eliminate consecutive duplicates of list elements? Example: ["red"; "red"; "blue"; ... new user and fast execution :) See Question&Answers more detail:os...

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

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577 views

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c# - What is a good way to shutdown Threads blocked on NamedPipeServer#WaitForConnection?

I start my application which spawns a number of Threads, each of which creates a NamedPipeServer (.net 3.5 added ... to blog about this soon. See Question&Answers more detail:os...

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

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In android layouts what is the effect/meaning of layout_height="0dip"

I've seen several examples that use android:layout_height="0px" or "0dip" but i do not understand the impact of ... height of any parent views? See Question&Answers more detail:os...

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

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performance - SET vs. SELECT - What's the difference?

Can someone please identify the functional/performance differences, if any, between SET and SELECT in T-SQL? ... speed advantage over SET. See Question&Answers more detail:os...

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

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555 views

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css - Set position absolute and margin

I would like to set an element's position to absolute and have a margin-bottom, but it seems that the margin- ... / this line isn't working } See Question&Answers more detail:os...

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

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309 views

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html - POST vs post, GET vs get

I realize that both will work, but is one more correct than the other? <form method="POST" /> vs. <form method= ... /> Why use one or the other? See Question&Answers more detail:os...

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

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451 views

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jquery - change focus into particular div

how can i change focus into particular div after any event via jquery? See Question&Answers more detail:os...

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

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tsql - T SQL merge example needed to help comprehension

The following: MERGE dbo.commissions_history AS target USING (SELECT @amount, @requestID) AS source (amount, request ... with this mechanism. See Question&Answers more detail:os...

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

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assembly - What does ordered / unordered comparison mean?

Looking at the SSE operators CMPORDPS - ordered compare packed singles CMPUNORDPS - unordered compare packed singles ... unordered (FUCOM). See Question&Answers more detail:os...

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

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427 views

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php - laravel 5.4 upload image

My controller code for upload file in laravel 5.4: if ($request->hasFile('input_img')) { if($request->file(' ... submit"> </div> </form> See Question&Answers more detail:os...

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

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444 views

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c# - T must be contravariantly valid

What is wrong with this? interface IRepository<out T> where T : IBusinessEntity { IQueryable<T> GetAll(); void Save(T ... T)'. 'T' is covariant. See Question&Answers more detail:os...

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

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