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background color - removing backgroundcolor of a view in android

Removing Background color in Android I have set backgroundColor in code like this, View.setBackgroundColor(0xFFFF0000) ... /4051005/removing-backgroundcolor-of-a-view-in-android...

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

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python - How to enable MySQL client auto re-connect with MySQLdb?

I came across PHP way of doing the trick: my_bool reconnect = 1; mysql_options(&mysql, MYSQL_OPT_RECONNECT, &reconnect); ... how-to-enable-mysql-client-auto-re-connect-with-mysqldb...

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

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c - Does realloc overwrite old contents?

When we reallocate memory via realloc(), are the previous contents over-written? I am trying to make a ... //stackoverflow.com/questions/3850749/does-realloc-overwrite-old-contents...

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

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How is Rust compiled to machine code?

I've recently been looking at the Rust programming language. How does it work? Rust code seems to be compiled ... .com/questions/43385142/how-is-rust-compiled-to-machine-code...

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

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linux - how can i search for files and zip them in one zip file

I tried to search files and zip them with the following commmand find . regexpression -exec zip {} ; however it is not ... -can-i-search-for-files-and-zip-them-in-one-zip-file...

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

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Rails - Using %W

I have the following which works well: def steps %w[hello billing confirmation] end steps.first But I want to ... from:https://stackoverflow.com/questions/4455429/rails-using-w...

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

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multithreading - How to solve the "Double-Checked Locking is Broken" Declaration in Java?

I want to implement lazy initialization for multithreading in Java. I have some code of the sort: class Foo { ... to-solve-the-double-checked-locking-is-broken-declaration-in-java...

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

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asp.net mvc 3 - How to set a hidden value in Razor

I know that what I'm trying to do is bad idea, but I have specific constrains for now. I have multiple ... stackoverflow.com/questions/6521311/how-to-set-a-hidden-value-in-razor...

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

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reactjs - css pseudo selectors with material-ui

I have seen in a lot of the material-ui code that they use pseudo selectors in their react styled ... /stackoverflow.com/questions/53768260/css-pseudo-selectors-with-material-ui...

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

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c# - JSON.NET JObject key comparison case-insensitive

I'm using Newtonsoft Json.net to parse the JSON string. I convert the string into the JObject. When ... .com/questions/12055743/json-net-jobject-key-comparison-case-insensitive...

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

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windows 7 - Unresolved external symbol __vsnprintf .... (in dxerr.lib)?

I am running a DirectX 11 application on windows 7 and visual studio community 2015 RC. I'm still ... .com/questions/31053670/unresolved-external-symbol-vsnprintf-in-dxerr-lib...

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

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android - Layout params of loaded view are ignored

I'm trying to write my own custom View and I have problem with LayoutParams. The idea is to extend ... stackoverflow.com/questions/5288435/layout-params-of-loaded-view-are-ignored...

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

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Automatic versioning of Android build using git describe with Gradle

I have searched extensively, but likely due to the newness of Android Studio and Gradle. I haven't found ... /automatic-versioning-of-android-build-using-git-describe-with-gradle...

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

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android - How to get the Correct orientation of the image selected from the Default Image gallery

I have gone through some of the links to get the correct image orientation of the image selected from the ... -correct-orientation-of-the-image-selected-from-the-default-image...

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

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509 views

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zsh - How to prevent bundler from generating binstubs?

I am using oh-my-zsh with plugins=(git bundler) in my .zshrc. So, I don't need bundler to ... /stackoverflow.com/questions/11662586/how-to-prevent-bundler-from-generating-binstubs...

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

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lubridate - How to extract Month from date in R

I am using the lubridate package and applying the month function to extract month from date. I ran the str command ... .com/questions/22603847/how-to-extract-month-from-date-in-r...

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

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windows - BAT file to create Java CLASSPATH

I want to distribute a command-line application written in Java on Windows. My application is distributed as ... .com/questions/524081/bat-file-to-create-java-classpath...

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

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485 views

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angular - how to subscribe to action success callback using ngrx and effects

I'm trying to do simple thing - after some entity saved (using http request) I want to navigate back to list ... /how-to-subscribe-to-action-success-callback-using-ngrx-and-effects...

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

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How to sort an array of objects in Java?

My array does not contain any string. But its contains object references. Every object reference returns name, id, author ... /18895915/how-to-sort-an-array-of-objects-in-java...

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

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340 views

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jquery - How to get bxSlider to hide the slides until the page loads?

I'm building an website that uses bxSlider. As the page loads, all of the slides are visible, stacked on top of ... /how-to-get-bxslider-to-hide-the-slides-until-the-page-loads...

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

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electron - dyld: Library not loaded: /usr/local/opt/openssl/lib/libcrypto.1.0.0.dylib

Using electron-builder to build Windows app, When signing up, I got this error : dyld: Library not loaded: /usr/local ... not-loaded-usr-local-opt-openssl-lib-libcrypto-1-0-0-dylib...

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

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node.js - 400 Billing account for project is not found. Billing must be enabled for activation of service(s)

I am create API with firebase via this tutorial here. On I run: firebase deploy I get this error on the command ... -for-project-is-not-found-billing-must-be-enabled-for-activa...

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

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swift - How to change UICollectionView Scroll Direction?

I have successfully implemented a UICollectionView. Is it possible to change the scrollDirection? Can you ... /questions/32292262/how-to-change-uicollectionview-scroll-direction...

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

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authentication - Keycloak retrieve custom attributes to KeycloakPrincipal

In my rest service i can obtain the principal information after authentication using KeycloakPrincipal ... /32678883/keycloak-retrieve-custom-attributes-to-keycloakprincipal...

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

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python - How to install PyQt4 in anaconda?

From the PyQt4 website their instructions for installing the package are to download the tarball and use the config ... .com/questions/21637922/how-to-install-pyqt4-in-anaconda...

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

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objective c - iPhone: Convert date string to a relative time stamp

I've got a timestamp as a string like: Thu, 21 May 09 19:10:09 -0700 and I'd like to convert ... .com/questions/902950/iphone-convert-date-string-to-a-relative-time-stamp...

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

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Is it possible to rename an index using a rails migration?

I know that there is a rename_column transformation, but it seems that rename_index does not exist. Do I have to use ... /is-it-possible-to-rename-an-index-using-a-rails-migration...

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

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linux - Invalid command ‘Order’, perhaps misspelled or defined by a module not included in the server configuration failed

when i try to start or restart my apache server , i get bellow message : Syntax error on line 162 of / ... -command-order-perhaps-misspelled-or-defined-by-a-module-not-included...

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

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