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How to apply __str__ function when printing a list of objects in Python

Well this interactive python console snippet will tell everything: >>> class Test: ... def __str__(self): ... ... -apply-str-function-when-printing-a-list-of-objects-in-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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129 views

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web - How long does it take for Google Analytics Goals to start show some data?

I am testing Google Analytics Goals but I am not sure if I have it setup correctly. I setup a basic 3 step goal ... -does-it-take-for-google-analytics-goals-to-start-show-some-data...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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200 views

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Is there a Python equivalent for Scala's Option or Either?

I really enjoy using the Option and Either monads in Scala. Are there any equivalent for these things in Python? ... /is-there-a-python-equivalent-for-scalas-option-or-either...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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260 views

1 answer

linux - How to strip executables thoroughly

I'd like to strip as much as I can - on Linux: an ELF. I only want in there the stuff I ... from:https://stackoverflow.com/questions/4179010/how-to-strip-executables-thoroughly...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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312 views

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c - Dereference a pointer inside a structure pointer

I have a structure: struct mystruct { int* pointer; }; structure mystruct* struct_inst; Now I want to ... .com/questions/2581769/dereference-a-pointer-inside-a-structure-pointer...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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kubernetes - Helm how to define .Release.Name value

I have created basic helm template using helm create command. While checking the template for Ingress its adding ... com/questions/51718202/helm-how-to-define-release-name-value...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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249 views

1 answer

java - JMX password read access issue

When I try to use JMX to monitor an application like this: java -Dcom.sun.management.jmxremote.port=9999 ... ://stackoverflow.com/questions/19220442/jmx-password-read-access-issue...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer

Is there a Python equivalent for Scala's Option or Either?

I really enjoy using the Option and Either monads in Scala. Are there any equivalent for these things in Python? ... /is-there-a-python-equivalent-for-scalas-option-or-either...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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416 views

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ruby $:.unshift File.dirname(__FILE__)

I see this a lot in many ruby scripts but not sure what it means: $:.unshift File.dirname(__FILE__) ... :https://stackoverflow.com/questions/9238367/ruby-unshift-file-dirname-file...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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211 views

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SQL Server Express connection string for Entity Framework Code First

I am working in Visual Web Developer 2010 Express, and using the Entity Framework code-first CTP. I am ... /sql-server-express-connection-string-for-entity-framework-code-first...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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321 views

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c - Dereference a pointer inside a structure pointer

I have a structure: struct mystruct { int* pointer; }; structure mystruct* struct_inst; Now I want to ... .com/questions/2581769/dereference-a-pointer-inside-a-structure-pointer...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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429 views

1 answer

unit testing - ExpectedException xunit .net core

I'm writing unit test for core application. Im trying to check, that my class throws exception. ... https://stackoverflow.com/questions/41302319/expectedexception-xunit-net-core...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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160 views

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Detect "Ubuntu on Windows" vs native Ubuntu from bash script

(This question already has answers here): question from:https://stackoverflow.com/questions/38859145/detect-ubuntu-on-windows-vs-native-ubuntu-from-bash-script...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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239 views

1 answer

node.js - Is it possible to install npm package only if it has not been already installed?

Is it possible to install npm package only if it has not been already installed? I need this to speed up test ... to-install-npm-package-only-if-it-has-not-been-already-installed...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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619 views

1 answer

c++ - Error : base class constructor must explicitly initialize parent class constructor

I am new to c++. When I try to compile the code below , I get this error constructor for ... 23647409/error-base-class-constructor-must-explicitly-initialize-parent-class-construct...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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212 views

1 answer

java - KeyListener, keyPressed versus keyTyped

I have a JFrame (well, a class which extends JFrame) and I want to do an action when I ... from:https://stackoverflow.com/questions/7071757/keylistener-keypressed-versus-keytyped...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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264 views

1 answer

xaml - WPF dynamic layout: how to enforce square proportions (width equals height)?

I'm learning WPF and can't figure out how to enfore my buttons to take a square shape. Here is my ... /wpf-dynamic-layout-how-to-enforce-square-proportions-width-equals-height...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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161 views

1 answer

c++ - Why is integer assignment on a naturally aligned variable atomic on x86?

I've been reading this article about atomic operations, and it mentions 32bit integer assignment being atomic on ... -assignment-on-a-naturally-aligned-variable-atomic-on-x86...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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350 views

1 answer

python 2.6 - No module named _cffi_backend

I have python2.6 in my Linux rhel-5. I have installed pip and required CFFI packages. When i try to ... :https://stackoverflow.com/questions/34370962/no-module-named-cffi-backend...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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78 views

1 answer

How does JRebel work?

Does JRebel use Javassist or some kind of bytecode manipulation? I'm asking this out of pure interest, I don ... :https://stackoverflow.com/questions/4826958/how-does-jrebel-work...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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486 views

1 answer

rubygems - What is the modern way to structure a ruby gem?

Has much changed with the release of Bundler? Is there a template that can be used as a base? What are the best ... questions/3307209/what-is-the-modern-way-to-structure-a-ruby-gem...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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171 views

1 answer

python - Matplotlib - adding subplots to a subplot?

I'm trying to create a figure that consists of a 2x2 grid, where in each quadrant there are 2 ... //stackoverflow.com/questions/34933905/matplotlib-adding-subplots-to-a-subplot...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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131 views

1 answer

Full path from file input using jQuery

When I call val() on an input with type="file" I only get file name rather than full path. How can ... //stackoverflow.com/questions/3489133/full-path-from-file-input-using-jquery...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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519 views

1 answer

reactjs - Removing object from array using hooks (useState)

I have an array of objects. I need to add a function to remove an object from my array without ... .com/questions/57341541/removing-object-from-array-using-hooks-usestate...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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172 views

1 answer

java - What exactly is bucket in hashmap?

Recently, in an interview I was asked, what exactly is a bucket in hashmap? Whether it is an array or ... ://stackoverflow.com/questions/37959941/what-exactly-is-bucket-in-hashmap...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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131 views

1 answer

python - How to read a column of csv as dtype list using pandas?

I have a csv file with 3 columns, wherein each row of Column 3 has list of values in it. As you can see from ... /32742976/how-to-read-a-column-of-csv-as-dtype-list-using-pandas...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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137 views

1 answer

java - Get visible text of page

How do I get the visible text portion of a web page with selenium webdriver without the HTML tags? I need ... https://stackoverflow.com/questions/18336956/get-visible-text-of-page...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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222 views

1 answer

objective c - Why is there @interface above @implementation?

I am wondering why there is twice @interface. One in class.h and other in class.m. For example ... /stackoverflow.com/questions/11594391/why-is-there-interface-above-implementation...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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