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为什么会提示AppInventor2.exe 不是有效的 Win32 - App Inventor 2 离线版 ...

本帖最后由 lmn2005 于 2025-04-15 18:35 编辑 电脑系统为64位win7,安装AppInventor2后运行,提示C:\AppInventor2\AppInventor2.exe 不是有效的 Win32 应用程序 这是为什么? https://aka.ms/vs/16/release/vc_redist.x64.exe 装一个运行环境试试,如果还...
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How to make div background color transparent in CSS

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see
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How to print number with commas as thousands separators?

... In python 3.6 and up, f-strings add even more convenience. E.g. f"{2 ** 64 - 1:,}" – CJ Gaconnet Apr 19 '17 at 15:03  |  show 8 more commen...
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How to implode array with key and value without foreach in PHP

..._build_query($a,'',', '); ?> Output: item1=object1, item2=object2 Demo share | improve this answer | follow | ...
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jQuery/JavaScript to replace broken images

...this is what you're after: jQuery.Preload Here's the example code from the demo, you specify the loading and not found images and you're all set: jQuery('#images img').preload({ placeholder:'placeholder.jpg', notFound:'notfound.jpg' }); ...
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How to force table cell content to wrap?

...;/td> </tr> </table> </body> </html> DEMO: table {border-collapse:collapse; table-layout:fixed; width:310px;} table td {border:solid 1px #fab; width:100px; word-wrap:break-word;} <table> <tr> <td>1&...
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Bootstrap right Column on top on mobile view

...this where A can go above B in the HTML, but I'm not sure how to do it... DEMO <div class="row"> <div class="col-md-6 col-md-push-6">B</div> <div class="col-md-6 col-md-pull-6">A</div> </div> view-port >= md |A|B| view-port < md |B| |A| ...
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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)

...tically unpacks the files and duplicates the profile from a pre-configured base directory. By default: The Chrome binaries are placed in subfolders of C:\Chrome\. The User profiles are created in C:\Chrome\User Data\. The user profiles will be duplicated from the directory as specified in the sFo...
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How does this code generate the map of India?

... while (a != 0) { a = bits[b]; b++; while (a > 64) { a--; if (++c == 'Z') { c /= 9; putchar(c); } else { putchar(33 ^ (b & 0x01)); } } } return 0; } The s...
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How to convert an array of strings to an array of floats in numpy?

...port numpy as np a = ["1.1", "2.2", "3.2"] b = np.asarray(a, dtype=np.float64, order='C') For Python 2*: print a, type(a), type(a[0]) print b, type(b), type(b[0]) resulting in: ['1.1', '2.2', '3.2'] <type 'list'> <type 'str'> [1.1 2.2 3.2] <type 'numpy.ndarray'> <type 'num...