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Null check in an enhanced for loop
...ll, you should definitely throw an exception. You know that something has gone wrong, but you don't know the extent of the damage. Abort early.
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Profiling Django
...rofiling SQL queries http://github.com/robhudson/django-debug-toolbar mentioned by Konstantin is a nice thing - but if your queries are really slow (probably because there are hundreds or thousands of them), then you'll be waiting insane amount of time until it gets loaded into a browser - and then ...
Should Javadoc comments be added to the implementation?
...on if they are invoking through a supertype.
Addressing this problem was one of the major feature of the prototype tool that I built - Whenever you invoked a method, you got an indication if its target or any potential overriding targets contained important information (e.g., a conflicting behavio...
项目管理实践【五】自动编译和发布网站【Using Visual Studio with Source ...
...FileName)"
RemoteUri="ftp://192.168.1.2/SourceBackup/$(ZipFileName)" />
<OnError ExecuteTargets="HandleErrorBackup" />
</Target>-->
<!--备份文件到FTP失败则发送邮件-->
<!--<Target Name="HandleErrorBackup">
<Message Text="Backup failed" />
<Mail SmtpServer="$(SmtpServerName)"
To="$...
What is the C# equivalent of NaN or IsNumeric?
...al with null or empty strings, which were otherwise causing IsNumber to erroneously return true: public Boolean IsNumber(String s) { Boolean value = true; if (s == String.Empty || s == null) { value=false; } else { foreach(Char c in s.ToCharArray()) { value = value &am...
Git ignore sub folders
... @Taras: Unfortunately, it does not.
– Tuukka Mustonen
Jan 12 '12 at 13:33
2
There was a bug o...
Xcode Command /usr/bin/codesign failed with exit code 1 : errSecInternalComponent
... We had a similar problem on Jenkins, and in addition to what is mentioned in the above command we had to pass the password as an argument to the command so we did "security unlock-keychain -p $KeychainPassword <login-keychain>", where you can easily store KeychainPaasword on Jenkins sec...
Run a Java Application as a Service on Linux
..., like checking whether the process exists and removing pid.txt if you're done.
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What is the difference between ng-app and data-ng-app?
.... So, what does 'validator compliant' mean, anyway?" approach. If you had done the research you would find out that you are guessing mostly right. =)
– slacktracer
Nov 24 '13 at 17:23
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Using Python 3 in virtualenv
...irtualenv , I run my projects with the default version of Python (2.7). On one project, I need to use Python 3.4.
22 Answe...