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I'm playing around with the SVG tutorial and I simply loaded an image like this: <?xml version="1.0" ... from:https://stackoverflow.com/questions/12464101/svg-stretching-an-image...

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

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How to use Semantic UI CDN?

How to include Semantic UI to HTML page using CDN? The CDN link is https://cdnjs.com/libraries/semantic-ui, ... ://stackoverflow.com/questions/30281258/how-to-use-semantic-ui-cdn...

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

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uitableview - Auto-Layout: Get UIImageView height to calculate cell height correctly

So far I have been just using text labels within cells that should auto-size themselves. I usually put ... /auto-layout-get-uiimageview-height-to-calculate-cell-height-correctly...

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

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node.js - sequelize.js - You need to install mysql package manually

After installing node.js and sequelize.js, and running a basic test, the message "You need to install mysql ... /17667368/sequelize-js-you-need-to-install-mysql-package-manually...

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

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flutter - How to use BottomNavigationBar with Navigator?

The Flutter Gallery example of BottomNavigationBar uses a Stack of FadeTransitions in the body of the Scaffold ... /questions/45235570/how-to-use-bottomnavigationbar-with-navigator...

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

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R, dplyr - combination of group_by() and arrange() does not produce expected result?

when using dplyr function group_by() and immediately afterwards arrange(), I would expect to get an output where data ... -of-group-by-and-arrange-does-not-produce-expected-res...

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

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mongodb - Working with special characters in a Mongo collection

I have a collection I'm unable to drop, I'm assuming that the "-" in its name is a special ... .com/questions/9569976/working-with-special-characters-in-a-mongo-collection...

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c++ - Initialize an std::array algorithmically at compile time

Consider: static constexpr unsigned num_points{ 7810 }; std::array< double, num_points > axis; for ( ... /questions/56383454/initialize-an-stdarray-algorithmically-at-compile-time...

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xml - If double slash (//) is used 2 times in XPath, what does it mean?

What does a double-slash used twice in an XPath selector mean? Suppose I'm using a path like: //div[@id='add']//span ... /if-double-slash-is-used-2-times-in-xpath-what-does-it-mean...

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

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SVG: stretching an image

I'm playing around with the SVG tutorial and I simply loaded an image like this: <?xml version="1.0" ... from:https://stackoverflow.com/questions/12464101/svg-stretching-an-image...

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

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import - Cannot load from mysql.proc. The table is probably corrupted

I know that it looks like duplicate, but the solutions which I found doesnt work for me. I uninstalled mysql ... /cannot-load-from-mysql-proc-the-table-is-probably-corrupted...

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styles - WPF: Alternating colors on a ItemsControl?

How do I get alternating colors on a ItemsControl? I have AlternationCount set to 2, but the ItemsControl ... .com/questions/4404539/wpf-alternating-colors-on-a-itemscontrol...

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

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ios - ModuleName-Swift.h file not found in xcode8

I'm trying to work on a mixed Swift and ObjectiveC project with no luck. My project is made of 6 targets: ... .com/questions/40484816/modulename-swift-h-file-not-found-in-xcode8...

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Eclipse Run button doesn't work when Android xml file is selected

I have Eclipse Juno SR1 and Android SDK Tools 21.1, SDK Platform-tools 16.0.2 (latest) on Mac. When I ... /15339143/eclipse-run-button-doesnt-work-when-android-xml-file-is-selected...

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

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How to copy a image region using opencv in python?

I am trying to implement a license plate recognition software using the ideas from http://iamabhik.wordpress.com/category/ ... /how-to-copy-a-image-region-using-opencv-in-python...

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

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html - Vertically center text in a 100% height div?

I am working with a div that is 100% of the parent divs height. The div only contains a single line of ... .com/questions/4753678/vertically-center-text-in-a-100-height-div...

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

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php shorttags - <? ?> tags not working in php 5.3.1

I just installed php 5.3.1 in my linux server and now my old work which i used to write with tags is not ... //stackoverflow.com/questions/2476072/tags-not-working-in-php-5-3-1...

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

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css selectors - CSS: Style applied to a combination of classes?

I'm not sure this is possible, but is there a syntax to be used in CSS when you want to style ... stackoverflow.com/questions/2451399/css-style-applied-to-a-combination-of-classes...

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

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sql - Update only Time in a mysql DateTime field

How can I update only the time in an already existing DateTime field in MySQL? I want the date to stay the ... .com/questions/1326548/update-only-time-in-a-mysql-datetime-field...

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

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node.js - Mongoose save() not updating value in an array in database document

I am trying to update a document in a collection (units) using GUI and after it gets updated I want to update ... /mongoose-save-not-updating-value-in-an-array-in-database-document...

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

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java - How to Implement HTTP byte-range requests in Spring MVC

I have the problem with video rewind on my site. I figure out that problem with http headers. My current ... 28427339/how-to-implement-http-byte-range-requests-in-spring-mvc...

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

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java - How many ways to convert bitmap to string and vice-versa?

In my application i want to send bitmap image to the server in the form of string, i want to know how many ... /13562429/how-many-ways-to-convert-bitmap-to-string-and-vice-versa...

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ios - Facebook SDK 3.1 - Error validating access token

I'm trying to transition my app to the new Facebook SDK 3.1 (with support for iOS6 authentication). I had ... .com/questions/12601191/facebook-sdk-3-1-error-validating-access-token...

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guid - How to generate unique 64 bits integers from Python?

I need to generate unique 64 bits integers from Python. I've checked out the UUID module. But the UUID it ... /questions/3530294/how-to-generate-unique-64-bits-integers-from-python...

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

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python - Creating Pandas Dataframe between two Numpy arrays, then draw scatter plot

I'm relatively new with numpy and pandas (I'm an experimental physicist so I've been using ROOT for ... creating-pandas-dataframe-between-two-numpy-arrays-then-draw-scatter-plot...

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

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Show all tables inside a MySQL database using PHP?

I'm trying to show all the tables in my database. I've tried this: $sql = "SHOW TABLES"; $result = ... .com/questions/20183553/show-all-tables-inside-a-mysql-database-using-php...

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

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hibernate - Convert list in entity to single string column in database

I have a VARCHAR field in my database, and the value of this field is val1,val2,val3. Is it possible to ... /34048978/convert-list-in-entity-to-single-string-column-in-database...

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

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html - CSS style for first <td> in a <tr>

I'm trying to set all the <td> elements of my <tr> to be right-aligned except the first one, which I want ... //stackoverflow.com/questions/19192960/css-style-for-first-td-in-a-tr...

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

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