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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: A bit of a follow on from this question: Best way to use Google's hosted jQuery, but fall back to my hosted library on Google fail So I can detect if the JQuery CDN is down and allow for this: <script type="text/javascript" src="http://code.jquery.com/jquery-1.7.2.min.js"></script> <script type="text/javascript"> if (typeof jQuery == 'undefined') { document.write(unescape("%3Cscript src='/Script/jquery-1.7.2.min.js' type='text/javascript'%3E%3C/script%3E")); } </script> How do I do the same for jquery.validate loaded as: <script type="text

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: After I make a build I want to copy some files into my Xcode project. I discovered that I could do this either in In "Build Phases" with a custom build step. I can also execute scripts before and after the different "tasks" in the Scheme editor: Build (This is where I could add my script) Run Test Profile Analyze Archive I don't completely understand the differences / possible implications between the two approaches and I am wondering when to choose either approach. Thanks for clarification. 回答1: After I make a build I want to copy some

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I finally started using python 3 alongside python 2.7 on Linux. I setup my python shell using a startup-script defined by $PYTHONSTARTUP. Due to incompatibilities I am unable to use the same script for both versions. What is the easiest way to get one script for python 2.7, and another for python 3.2? 回答1: If you use Python 2 for some projects and Python 3 for others, then change the environment variable when you change projects. Or, have your startup script look like this: import sys if sys.version_info[0] == 2: import startup2 else: import

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: In my build.xml file, I have these lines: <property environment="env"/> <echo message="JAVA_HOME is set to = ${env.JAVA_HOME}" /> On some machine, this would print "JAVA_HOME is set to = /usr/jdk1.6" But on some others, it would print this "JAVA_HOME is set to = ${env.JAVA_HOME}" Does anyone know what might cause this? Thanks 回答1: The message tells you that Ant was not able to resolve the property env.JAVA_HOME ; this means that the environment variable JAVA_HOME was not set in that machine. 回答2: You can usually find on your system (if you

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm a newbie to shell scripts so I have a question. What Im doing wrong in this code? #!/bin/bash echo " Write in your age: " read age if [ "$age" -le "7"] -o [ "$age" -ge " 65" ] then echo " You can walk in for free " elif [ "$age" -gt "7"] -a [ "$age" -lt "65"] then echo " You have to pay for ticket " fi When I'm trying to open this script it asks me for my age and then it says ./bilet.sh: line 6: [: 7]: integer expression expected ./bilet.sh: line 9: [: missing `]' I don't have any idea what I'm doing wrong. If someone could tell me how

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Is it possible to run an AppleScript code inside an Cocoa Application? I've tried NSAppleScript class, but no success. Also, does Apple allow this? 回答1: You mentioned xcode wasn't saving the script to your app's resources path. That is correct. You have to tell xcode to do this. First add the compiled script to your project. Then open your target and find the "Copy Bundle Resources" action. Drag your script from the files list into that action. This way your script is copied to your app's resources automatically so you don't have to do it by

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have a script that is one script in a chain of others that sends an email. At the start of the script I want to check if a file exists and continue only if it exists, otherwise just quit. Here is the start of my script: if [ ! -f /scripts/alert ]; then echo "File not found!" && exit 0 else continue fi However I keep getting a message saying: line 10: continue: only meaningful in a `for', `while', or `until' loop Any pointers? 回答1: Change it to this: { if [ ! -f /scripts/alert ]; then echo "File not found!" exit 0 fi } A conditional isn't a

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I want to inject an external javascript in webview and execute one of its functions execute() . After completion an alert is raised and the string returns to the activity this is how I do it but it doesn't seem to work (the js is already tested) view.loadUrl("javascript:(function() { var script=document.createElement('script');script.type='text/javascript';script.src=" + jsFileURL + ";" + "document.getElementsByTagName('head').item(0).appendChild(script);window.HTMLOUT.showHTML(execute());})()"); this is how I implement HTMLOUT, while the

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have a .sh file that is stored in GCS. I am trying to schedule the .sh file through google cloud shell. I can run the same file using gsutil cat gs://miptestauto/baby.sh | sh command but not able to schedule it. Following is my code for scheduling the file: 16 17 * * * gsutil cat gs://miptestauto/baby.sh | sh It displays the message as "auto saving..done" but the scheduled job is not get displayed when I use crontab -l # contents of .sh file bin/bash bq load --source_format=CSV babynames.baby_destination13 gs://testauto/yob2010.txt name

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: So far I've these 3 social buttons at the end of the page. I was thinking that rewriting same function 3 times isn't very smart. Could I unite them? would it work? Any ideas how to do this? logically I would do: g.src = ' http://apis.google.com/js/plusone.js ', ' http://connect.facebook.net/en_US/all.js#xfbml=1 ', ' http://platform.twitter.com/widgets.js '; but I'm not sure if this correct way to do it... <script type="text/javascript"> //<![CDATA[ (function(d, t) { var g = d.createElement(t), s = d.getElementsByTagName(t)[0]; g.async = true