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How to kill a process on a port on ubuntu
...to check it using sudo.
Do sudo netstat -lpn |grep :8080. Process running by system does not show PID, to get PID of this process you will have to run it using sudo
And then killl the process using port 8080. You may have to use sudo here as well. So to kill this process use sudo kill -9 PID
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No resource found - Theme.AppCompat.Light.DarkActionBar
... I just replaced implementation 'com.android.support:appcompat-v7:28.0.0' by implementation 'com.android.support:appcompat-v7:25.0.1' and now it works... but why?
– CGR
Mar 7 '19 at 23:42
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Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...自己的 Atom 生成代码。 你可能不得不通过 CPAN 安装或 Ruby gem 来包含共享库中的代码，或者将源代码直接拷贝到自己的项目中。 如果将这个库包含进来，那么无论用何种方式都很难定制它，部署则更加困难，因为你必须确保每一...
How to convert a Bitmap to Drawable in android?
...rrectly. There are numerous questions on here which would be solved simply by using this method rather than a straight call with only the bitmap argument.
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...on numbers are provided. Use this event to modify the database as required by the version change.
DatabaseOpened()
当数据库打开时，会触发此事件。
DatabaseUpgrade(oldVersion,newVersion)
This event fires when the database is upgraded. The previous and new version numbers are pro...
What is the equivalent of bigint in C#?
...search. The correct answer, at least in my case, is that the type returned by that select is NUMERIC which equates to a decimal type. Using a long will cause a cast exception.
This is one reason to check your answers in more than one Google search (or even on Stack Overflow!).
To quote a database ad...
StringUtils.isBlank() vs String.isEmpty()
...answer from @arshajii is totally correct. However just being more explicit by saying below,
StringUtils.isBlank()
StringUtils.isBlank(null) = true
StringUtils.isBlank("") = true
StringUtils.isBlank(" ") = true
StringUtils.isBlank("bob") = false
StringUtils.isBlan...
WPF Textblock, linebreak in Text attribute
...vertically between the two lines. Windows 10 aligns the button top the top by default. While Windows 10 would honor the VerticalContentAlignment property, Windows 7 ignores it. I had to use the LineBreak solution.
– mrfelis
Feb 14 '18 at 16:35
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Convert a negative number to a positive one in JavaScript
...var posNum = (num < 0) ? num * -1 : num; // if num is negative multiple by negative one ...
I find this solution easy to understand.
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follo...
wildcard ssl on sub-subdomain [closed]
...rom RFC 2818:
Matching is performed using the matching rules specified by
RFC2459. If more than one identity of a given type is present in
the certificate (e.g., more than one dNSName name, a match in any one
of the set is considered acceptable.) Names may contain the wildcard
...