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mongodb - How do I search for an object by its ObjectId in the mongo console?

I've found this question answered for C# and Perl, but not in the native interface. I thought this would work: ... It seems pretty normal to me. See Question&Answers more detail:os...

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

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.net - CryptographicException 'Keyset does not exist', but only through WCF

I have some code that makes a call to a third party web service that is secured using X.509 certification. ... additional light on this 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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How to make custom dialog with rounded corners in android

What I am trying to do: I am trying to make a custom dialog in android With rounded corners. What is ... > </TableLayout> </LinearLayout> 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 a list based on a list of booleans

I have a list of values which I need to filter given the values in a list of booleans: list_a = [1, 2, ... Just using if filter[idx] is enough. See Question&Answers more detail:os...

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

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installation - Is APC compatible with PHP 5.4 or PHP 5.5?

It doesn't seem like APC has been updated to coincide with the php 5.4 release (I wish they would have ... php-apc packages won't install. See Question&Answers more detail:os...

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

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What is the difference between Ruby 1.8 and Ruby 1.9

I'm not clear on the differences between the "current" version of Ruby (1.8) and the "new" version (1. ... and why it is so different? 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 - How do you draw a line programmatically from a view controller?

I have a UIViewController. How do I draw a line in one of its programmatically created 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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What does hash do in python?

I saw an example of code that where hash function is applied to a tuple. As a result it returns a ... explain why we need this function. 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 - React.js: Identifying different inputs with one onChange handler

Curious what the right way to approach this is: var Hello = React.createClass({ getInitialState: function() { return { ... to do it like 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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swift - What is a good example to differentiate between fileprivate and private in Swift3

This article has been helpful in understanding the new access specifiers in Swift 3. It also gives some examples ... the same as using private? 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 plot normal distribution?

Given a mean and a variance is there a simple function call which will plot a normal distribution? See Question&Answers more detail:os...

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

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Scala @ operator

What does Scala's @ operator do? For example, in the blog post Formal Language Processing in Scala, Part 2 there is a ... x @ Some(Nil) => x 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 - SQLAlchemy ORM conversion to pandas DataFrame

Is there a solution converting a SQLAlchemy <Query object> to a pandas DataFrame? Pandas has the capability to ... IN. Is anything possible? See Question&Answers more detail:os...

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

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Print commit message of a given commit in git

I need a plumbing command to print the commit message of one given commit - nothing more, nothing less. 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 - How to click or tap on a TextView text

I know this is so easy (doh...) but I am looking for a way to run a method on tapping or clicking a ... of text in a TextView runs a method? See Question&Answers more detail:os...

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

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Presenting a UIAlertController properly on an iPad using iOS 8

With iOS 8.0, Apple introduced UIAlertController to replace UIActionSheet. Unfortunately, Apple didn't add any ... not implemented, yet? 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 - How to load bootstrapped models in Backbone.js while using AMD (require.js)

Backbone.js documentation suggest loading bootstrapped models this way: <script> var Accounts = new Backbone.Collection; ... (without globals)? See Question&Answers more detail:os...

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

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Converting camel case to underscore case in ruby

Is there any ready function which converts camel case Strings into underscore separated string? I want something ... "camel_case_string". ... See Question&Answers more detail:os...

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

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datetime - Get integer value of the current year in Java

I need to determine the current year in Java as an integer. I could just use java.util.Date(), but it is deprecated. 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 - What version of javac built my jar?

How can I tell what version of the Java compiler was used to build a jar? I have a jar file, and it ... somewhere in the class files or jar? 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 - UIView Hide/Show with animation

My simple goal is to fade animate hiding and showing functions. Button.hidden = YES; Simple enough. However ... rather unprofessional that way. 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 - super.onCreate(savedInstanceState);

I have created an Android Application Project and in MainActivity.java > onCreate() it is calling super.onCreate( ... of the above line? See Question&Answers more detail:os...

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

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validation - What is the best way to validate a credit card in PHP?

Given a credit card number and no additional information, what is the best way in PHP to determine whether or ... also work with other types. 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 - Passing arguments to angularjs filters

Is it possible to pass an argument to the filter function so you can filter by any name? Something like $scope. ... item.name != name; }; 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 store variadic template arguments?

Is it possible to store a parameter pack somehow for a later use? template <typename... T> class Action { private: std:: ... //... add.act(); } 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 - Rotate image and crop out black borders

My application: I am trying to rotate an image (using OpenCV and Python) At the moment I have ... flags=cv2.INTER_LINEAR) return result 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# - Image sequence to video stream?

Like many people already seem to have (there are several threads on this subject here) I am looking for ways ... help me complete my function? 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 - unique combinations of values in selected columns in pandas data frame and count

I have my data in pandas data frame as follows: df1 = pd.DataFrame({'A':['yes','yes','yes','yes ... have your suggestions? Thank you 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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