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python - Scope of variable within "with" statement?

I am reading only firstline from python using : with open(file_path, 'r') as f: my_count = f. ... //stackoverflow.com/questions/45100271/scope-of-variable-within-with-statement...

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

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266 views

1 answer

java - How do I read the response header from RestTemplate?

I am posting information to a web service using RestTemplate.postForObject. Besides the result string I need the ... 6005709/how-do-i-read-the-response-header-from-resttemplate...

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

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224 views

1 answer

ios - Handling Push Notifications when App is Terminated

When my App is not running and receives a Push Notification, if I click on that notification, the App ... .com/questions/35058870/handling-push-notifications-when-app-is-terminated...

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

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104 views

1 answer

Convert INT to DATETIME (SQL)

I am trying to convert a date to datetime but am getting errors. The datatype I'm converting from is ( ... https://stackoverflow.com/questions/3855867/convert-int-to-datetime-sql...

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

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491 views

1 answer

iOS Simulator - offline mode

does anybody know how to make the IPhone/IPad simulator become offline? Regards! question from:https://stackoverflow.com/questions/5663480/ios-simulator-offline-mode...

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

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251 views

1 answer

Counting number of occurrences of a char in a string in C

I have the string str char *str = "100.10b.100.100"; I want to count the occurrences of '.' in str, ... /4235519/counting-number-of-occurrences-of-a-char-in-a-string-in-c...

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

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102 views

1 answer

How to copy a huge table data into another table in SQL Server

I have a table with 3.4 million rows. I want to copy this whole data into another table. I am performing this task ... -to-copy-a-huge-table-data-into-another-table-in-sql-server...

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

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195 views

1 answer

reactjs - Switch to npm for create-react-app

I recently installed yarn on my machine but was using npm before. For my current project in React I want ... .com/questions/51048173/switch-to-npm-for-create-react-app...

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

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176 views

1 answer

Laravel 4: making a combination of values/columns unique

I'm importing a bunch of csv entries in my database with Laravel 4. I can't really point at one ... /questions/16990723/laravel-4-making-a-combination-of-values-columns-unique...

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

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410 views

1 answer

python - Saving numpy array to txt file row wise

I have an numpy array of form a = [1,2,3] which I want to save to a .txt file such that the file ... ://stackoverflow.com/questions/9565426/saving-numpy-array-to-txt-file-row-wise...

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

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140 views

1 answer

How to add html special character (right-arrow) using content property of css?

(This question already has an answer here): question from:https://stackoverflow.com/questions/18186180/how-to-add-html-special-character-right-arrow-using-content-property-of-css...

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

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139 views

1 answer

Django - how to specify a database for a model?

Is there a way to specify that a model (or app, even) should only ever use one particular database? I am ... com/questions/3519143/django-how-to-specify-a-database-for-a-model...

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

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107 views

1 answer

python - Get all table names in a Django app

How to get all table names in a Django app? I use the following code but it doesn't get the tables ... stackoverflow.com/questions/1845293/get-all-table-names-in-a-django-app...

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

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164 views

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python - Multiple blocks of same name in Jinja2

In Jinja2, I have a base template like this: <title>{% block title %}{% endblock %} - example.com</ ... //stackoverflow.com/questions/1242239/multiple-blocks-of-same-name-in-jinja2...

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

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180 views

1 answer

How to deploy an HTTPS-only site, with Django/nginx?

My original question was how to enable HTTPS for a Django login page, and the only response, recommended that I - ... /8153875/how-to-deploy-an-https-only-site-with-django-nginx...

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

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169 views

1 answer

What are the sizes of the icons in Android notifications action-buttons?

In expandable Notifications: what dimensions (in dp) should the icons have? Like the Icons for Snooze and Email ... -the-sizes-of-the-icons-in-android-notifications-action-buttons...

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

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188 views

1 answer

objective c - NSError and __autoreleasing

Can someone please explain to me the purpose of having __autoreleasing in the following sample code block ... https://stackoverflow.com/questions/13587742/nserror-and-autoreleasing...

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

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294 views

1 answer

python - Pythonic Style for Multiline List Comprehension

(This question already has answers here): question from:https://stackoverflow.com/questions/12372186/pythonic-style-for-multiline-list-comprehension...

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

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202 views

1 answer

I need to create url for get which is going to accept array, how in node.js/express extract array from request?

I need to create url for get which is going to accept array, how in node.js/express extract array from request ? I ... for-get-which-is-going-to-accept-array-how-in-node-js-expr...

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

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102 views

1 answer

c++ - Boost PropertyTree: check if child exists

I'm trying to write an XML parser, parsing the XML file to a boost::property_tree and came upon ... /stackoverflow.com/questions/7568607/boost-propertytree-check-if-child-exists...

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

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314 views

1 answer

haskell - Accessing a Specific Element in a Tuple

Haskell-newbie reporting in. Question is as follows: In Haskell, we have fst and snd that return the first ... .com/questions/5844347/accessing-a-specific-element-in-a-tuple...

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

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321 views

1 answer

svn - How do I compare a branch against trunk in subversion?

In Subversion, I created a branch from a trunk using svn copy. According to the the SVN 1.5 manual, "This ... /4791091/how-do-i-compare-a-branch-against-trunk-in-subversion...

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

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1.4k views

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converting a variable name to a string in C++

I'd like to output some data to a file. For example assume I have two vectors of doubles: vector<double> data1 ... com/questions/3386861/converting-a-variable-name-to-a-string-in-c...

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

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421 views

1 answer

shutdown hook for java web application

I need to save some data preferrably when the java web application is stopped, or when tomcat is ... stackoverflow.com/questions/1549924/shutdown-hook-for-java-web-application...

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

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512 views

1 answer

Revert IntelliJ IDEA font to pre-2020.1 default font

I upgraded to IntelliJ 2020.1, which uses the new JetBrains Mono font by default. However, I would like to switch ... /61154795/revert-intellij-idea-font-to-pre-2020-1-default-font...

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

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91 views

1 answer

Clean ways to do multiple undos in C

Someone will probably say something about exceptions... but in C, what are other ways to do the following cleanly/ ... com/questions/53444743/clean-ways-to-do-multiple-undos-in-c...

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

0 votes

287 views

1 answer

Scala - convert List of Lists into a single List: List[List[A]] to List[A]

What's the best way to convert a List of Lists in scala (2.9)? I have a list: List[List[A]] which I ... /12600863/scala-convert-list-of-lists-into-a-single-list-listlista-to-lista...

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

0 votes

232 views

1 answer

Creating dummy variables in pandas for python

I'm trying to create a series of dummy variables from a categorical variable using pandas in python. I've ... .com/questions/11587782/creating-dummy-variables-in-pandas-for-python...

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

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