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Python socket.error: [Errno 111] Connection refused

I am trying to write a program for file transfer using sockets. The server end of the code is running ... .com/questions/11585377/python-socket-error-errno-111-connection-refused...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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294 views

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.net - C# Why can equal decimals produce unequal hash values?

We ran into a magic decimal number that broke our hashtable. I boiled it down to the following minimal case: ... 8533449/c-sharp-why-can-equal-decimals-produce-unequal-hash-values...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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163 views

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html - Is there any way to change the color of text "halfway" through a character on a webpage?

One thing I've seen in some Desktop applications is the ability to change the color of text as the background changes ... -change-the-color-of-text-halfway-through-a-character-on-a...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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157 views

1 answer

javascript - Encoding of window.location.hash

Does window.location.hash contain the encoded or decoded representation of the url part? When I open the ... //stackoverflow.com/questions/1703552/encoding-of-window-location-hash...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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95 views

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c++ - Vector of const objects giving compile error

I have declared the following in my code vector <const A> mylist; I get the following compile error - ... .com/questions/17313062/vector-of-const-objects-giving-compile-error...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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114 views

1 answer

How to Zip files using JavaScript?

Is there a way to zip files using JavaScript?? For an example, like in Yahoo mail, when you chose to ... ://stackoverflow.com/questions/8608724/how-to-zip-files-using-javascript...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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327 views

1 answer

database - How does Voldemort compare to Cassandra?

How does Voldemort compare to Cassandra? I'm not talking about size of community and only want to ... stackoverflow.com/questions/2252163/how-does-voldemort-compare-to-cassandra...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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796 views

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knockout.js - Performance tuning a knockout application - guidelines for improving response times

I have a large, complex page that relies heavily on knockout.js. Performance is starting to become an ... -tuning-a-knockout-application-guidelines-for-improving-response-ti...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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823 views

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scala - The argument types of an anonymous function must be fully known. (SLS 8.5)

I have a function literal {case QualifiedType(preds, ty) => t.ty = ty ; Some((emptyEqualityConstraintSet,preds)) } ... types-of-an-anonymous-function-must-be-fully-known-sls-8-5...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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123 views

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javascript - Emulate/polyfill history.pushstate() in IE

history.pushstate() is not supported in IE. Is there another way to achieve this in IE? question ... stackoverflow.com/questions/6622449/emulate-polyfill-history-pushstate-in-ie...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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read eval print loop - How to investigate objects/types/etc. from Scala REPL?

I've been working with Scala for a while now and have written a 10,000+ line program with it, but I' ... com/questions/11392622/how-to-investigate-objects-types-etc-from-scala-repl...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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174 views

1 answer

reactjs - Any good debug tutorial for React.js

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question ... com/questions/32772379/any-good-debug-tutorial-for-react-js...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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187 views

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Declarations/definitions as statements in C and C++

I was confused when this wouldn't compile in C: int main() { for (int i = 0; i < 4; ++i ... //stackoverflow.com/questions/49861965/declarations-definitions-as-statements-in-c-and-c...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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325 views

1 answer

git - rebase reverted merged branch

Background: I recently merged a rather large topic branch into master. A couple of days later I discovered ... ://stackoverflow.com/questions/18462765/rebase-reverted-merged-branch...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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264 views

1 answer

python - Use pdb.set_trace() in a script that reads stdin via a pipe

I have a python script that reads stdin via a pipe, and I cannot seem to use it with pdb.set_trace(). my_script.py: # ... /use-pdb-set-trace-in-a-script-that-reads-stdin-via-a-pipe...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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50 views

1 answer

c# - How to determine calling method and class name?

(This question already has answers here): question from:https://stackoverflow.com/questions/14849367/how-to-determine-calling-method-and-class-name...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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247 views

1 answer

javascript - react-intl vs react-i18next for ReactJS internationalization (i18n)

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. ... /react-intl-vs-react-i18next-for-reactjs-internationalization-i18n...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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98 views

1 answer

Rails 5.1: "unknown firstpos: NilClass" - Issue reloading application

Following an upgrade from Rails 5.0 to 5.1 I'm getting this error anytime the app reloads, either ... /44465118/rails-5-1-unknown-firstpos-nilclass-issue-reloading-application...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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373 views

1 answer

How to open Ubuntu GUI inside a Docker image

I have downloaded the Ubuntu image inside Docker on Windows. I can run Ubuntu by: docker run -it ubuntu I only ... /questions/40658095/how-to-open-ubuntu-gui-inside-a-docker-image...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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130 views

1 answer

sql - Renaming multiple columns in one statement with PostgreSQL

Is it possible to rename multiple columns in a single statement, something along the lines of: ALTER TABLE ... /23274679/renaming-multiple-columns-in-one-statement-with-postgresql...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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122 views

1 answer

Where can I find a list of keyboard keycodes?

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question from: ... /1627925/where-can-i-find-a-list-of-keyboard-keycodes...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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143 views

1 answer

java - Hibernate saveOrUpdate behavior

Does anyone know how Hibernate knows whether to INSERT or to UPDATE a value in the database when ... :https://stackoverflow.com/questions/6443672/hibernate-saveorupdate-behavior...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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421 views

1 answer

c++ - Overloading operator<<: cannot bind lvalue to ‘std::basic_ostream<char>&&’

I have a class that uses a nested class, and want to use the nested class operator<< to ... /questions/10651161/overloading-operator-cannot-bind-lvalue-to-stdbasic-ostreamchar...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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141 views

1 answer

javascript - React.js: Example in tutorial not working

I'm doing the React.js tutorial from http://facebook.github.io/react/docs/tutorial.html. Here are my ... .com/questions/20904098/react-js-example-in-tutorial-not-working...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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162 views

1 answer

Is there a PDF parser for PHP?

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question from:https ... .com/questions/1251956/is-there-a-pdf-parser-for-php...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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99 views

1 answer

java - Initializing Spring bean from static method from another Class?

I was trying to create Hibernate Validator bean, and run into this problem creating a bean from static ... 9885203/initializing-spring-bean-from-static-method-from-another-class...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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856 views

1 answer

firefox proxy settings via command line

How do I change Firefox Proxy settings via command line on windows xp/2k? Thanks question from:https://stackoverflow.com/questions/843340/firefox-proxy-settings-via-command-line...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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407 views

1 answer

mysql - How to search for rows containing a substring?

If I store an HTML TEXTAREA in my ODBC database each time the user submits a form, what's the SELECT ... .com/questions/4122193/how-to-search-for-rows-containing-a-substring...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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