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Ant task to run an Ant target only if a file exists?
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I think its worth referencing this similar answer: https://stackoverflow.com/a/5288804/64313
Here is a another quick solution. There are other variations possible on this using the <available> tag:
# exit with failure if no files are found
<property name="file" val...
Rails: fields_for with index?
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The answer below was posted many years ago, for a modern approach see:
https://stackoverflow.com/a/22640703/105403
This would actually be a better approach, following Rails documentation more closely:
<% @questions.each.with_index do |question,index| %>
<% f.fields_for :questions, ...
How do I import other TypeScript files?
... } from "./ZipCodeValidator";
let myValidator = new ZipCodeValidator();
https://www.typescriptlang.org/docs/handbook/modules.html
Old answer: From TypeScript version 1.5 you can use tsconfig.json: http://www.typescriptlang.org/docs/handbook/tsconfig-json.html
It completely eliminates the need o...
Why can't I push to this bare repository?
...olution for me... it was just a dumb mistake:
Remember to commit first!
https://stackoverflow.com/a/7572252
If you have not yet committed to your local repo, there is nothing to push, but the Git error message you get back doesn't help you too much.
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How to disable typing special characters when pressing option key in Mac OS X? [closed]
...an also add other keys you like! Official reference:
https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/EventOverview/TextDefaultsBindings/TextDefaultsBindings.html
Here is a good list of things you can bind to:
https://www.hcs.harvard.edu/~jrus/site/select...
How to create a Menubar application for Mac
...nt menubar app a lot simpler. I just created a sample project on github.
https://github.com/taichino/PopupTest
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Generate table relationship diagram from existing schema (SQL Server) [closed]
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Try DBVis - download at https://www.dbvis.com/download - there is a pro version (not needed) and a open version that should suffice.
All you have to do is to get the right JDBC - database driver for SQL Server, the tool shows tables and references ...
How to create named and latest tag in Docker?
...d -t whenry/fedora-jboss:latest -t whenry/fedora-jboss:v2.1 .
Reference: https://docs.docker.com/engine/reference/commandline/build/#tag-image-t
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Timer function to provide time in nano seconds using C++
...moves from one processor to another...
However this StackOverflow answer https://stackoverflow.com/a/4588605/34329 states that QPC should work fine on any MS OS after Win XP service pack 2.
This article shows that Windows 7 can determine if the processor(s) have an invariant TSC and falls back to...
Error 908: Permission RECEIVE_SMS has been denied. - App Inventor 2 中...
...view, it is up to them to convince Google to grant an exemption.
原文：https://community.appinventor.mi ... -receive-sms/7426/5
相关问题可以参考这个帖子：https://bbs.tsingfun.com/thread-1833-1-1.html
必须真机，模拟器不支持，在手机设置中开启短信相关权限...