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JavaScript: Upload file
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Using Regular Expressions to Extract a Value in Java
...ain and Jack suggest that you need to specify some subset of non-digits in order to capture digits. If you tell the regex engine you're looking for \d then it's going to ignore everything before the digits. If J or A's expression fits your pattern, then the whole match equals the input string. And t...
Delete newline in Vim
...ed generally to strip newline characters and to concatenate lines.
But in order to get rid of the trailing newline character in the last line, you need to do this in Vim:
:set noendofline binary
:w
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What's the best/easiest GUI Library for Ruby? [closed]
...native widgets on the various platforms it supports: Windows, OS X, Linux, etc.) SWT always appealed to me as a Java developer, but coding it was painful in the extreme. Glimmer makes the process a lot more straightforward by emphasizing convention over configuration, and by valuing DRYness and all ...
How to call a method after a delay in Android
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You should keep a reference to your timer in order to cancel it when it's not needed anymore since according to the Android doc: "When a timer is no longer needed, users should call cancel(), which releases the timer's thread and other resources. Timers not explicitly c...
What are CN, OU, DC in an LDAP search?
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Get the Highlighted/Selected text
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How to have the formatter wrap code with IntelliJ?
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In order to wrap text in the code editor in IntelliJ IDEA 2020.1 community follow these steps:
Ctrl + Shift + "A" OR Help -> Find Action
Enter: "wrap" into the text box
Toggle: View | Active Editor Soft-Wrap "ON"
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How to list files in an android directory?
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In order to access the files, the permissions must be given in the manifest file.
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
Try this:
String path = Environment.getExternalStorageDirect...
Printing Java Collections Nicely (toString Doesn't Return Pretty Output)
...ppend("name", name).
append("age", age).
toString();
}
In order to get this sort of output:
Person@7f54[name=Stephen,age=29]
There is also a reflective implementation.
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