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How to get Android crash logs?
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If your app is being downloaded by other people and crashing on remote devices, you may want to look into an Android error reporting library (referenced in this SO post). If it's just on your own local device, you can use LogCat. Even if the device wasn't connected to a ...
StringUtils.isBlank() vs String.isEmpty()
...ngUtils.isEmpty(" bob ") = false
Warning: In java.lang.String.isBlank() and java.lang.String.isEmpty() work the same except they don't return true for null.
java.lang.String.isBlank() (since Java 11)
java.lang.String.isEmpty()
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XmlSerializer - There was an error reflecting type
... [Serializable] attribute on it. I am creating an XMLSerializer class and passing that into the constructor:
18 Answer...
Setting up foreign keys in phpMyAdmin?
I'm setting up a database using phpMyAdmin. I have two tables ( foo and bar ), indexed on their primary keys . I am trying to create a relational table ( foo_bar ) between them, using their primary keys as foreign keys.
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Uninstall old versions of Ruby gems
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For removing older versions of all installed gems, following 2 commands are useful:
gem cleanup --dryrun
Above command will preview what gems are going to be removed.
gem cleanup
Above command will actually remove them.
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querySelector, wildcard element match?
... Thanks, I meant the tag name.
– Erik Andersson
Jan 3 '12 at 15:32
hmm I can't do document.querySelecto...
Taking screenshot on Emulator from Android Studio
... question but still, I don't know how to take a screenshot of Emulator via Android Studio. I recently switched from Eclipse to Android Studio and I could not find it anywhere, I tried to search on web too but no help.
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How can I export the schema of a database in PostgreSQL?
...access to a Windows machine but I'm pretty sure from memory that's the command. See if the help works for you too.
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Get string character by index - Java
...letter); // Prints f
If you want more information on the Character class and the toString method, I pulled my info from the documentation on Character.toString.
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How to convert DateTime to/from specific string format (both ways, e.g. given Format is “yyyyMMdd”)?
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if you have a date in a string with the format "ddMMyyyy" and want to convert it to "yyyyMMdd" you could do like this:
DateTime dt = DateTime.ParseExact(dateString, "ddMMyyyy",
CultureInfo.InvariantCulture);
dt.ToString("yyyyMMdd");
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