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Developing for Android in Eclipse: R.java not regenerating
...e of them recently
Check AndroidManifest.xml. I find that often I change a string and forget to change the string name from AndroidManifest.xml.
Check that Android SDK Build-tools is installed. Window -> Android SDK Manager -> Tools -> Android SDK Build-tools
Make sure when you update the A...
Best way to test if a row exists in a MySQL table
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Suggest you not to use Count because count always makes extra loads for db use SELECT 1 and it returns 1 if your record right there otherwise it returns null and you can handle it.
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Java: Clear the console
...mport java.io.IOException;
public class CLS {
public static void main(String... arg) throws IOException, InterruptedException {
new ProcessBuilder("cmd", "/c", "cls").inheritIO().start().waitFor();
}
}
Now when the Java process is connected to a console, i.e. has been started from...
How do I create and access the global variables in Groovy?
...he @Field annotation.
import groovy.transform.Field
var1 = 'var1'
@Field String var2 = 'var2'
def var3 = 'var3'
void printVars() {
println var1
println var2
println var3 // This won't work, because not in script scope.
}
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Notification passes old Intent Extras
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android gotcha #147 - so an Intent that has different extras (via putExtra) are considered the same and re-used because i did not provide a unique id to some pending intent call - terrible api
– wal
Nov 30 '16 at 7:07
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Git: How to remove file from historical commit?
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You can use git-extras tool. The obliterate command completely remove a file from the repository, including past commits and tags.
https://github.com/tj/git-extras/blob/master/Commands.md
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Longest line in a file
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Why the extra cat command? Just give the file name directly as an argument to awk.
– Thomas Padron-McCarthy
Oct 31 '09 at 21:40
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Where do the Python unit tests go?
... together some semi-separated modules?
If a:
A separate folder and the extra effort to maintain its structure may be better suited. No one will complain about your tests getting deployed to production.
But it's also just as easy to exclude tests from being distributed when they are mixed with ...
How to compare dates in Java? [duplicate]
...);
LocalDate today = LocalDate.now( z );
DateTimeFormatter
As your input strings are non-standard format, we must define a formatting pattern to match.
DateTimeFormatter f = DateTimeFormatter.ofPattern( "dd-MM-uuuu" );
Use that to parse the input strings.
LocalDate start = LocalDate.parse( "22-02...
Error: The processing instruction target matching “[xX][mM][lL]” is not allowed
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If your XML message is stored as a String, you can try doing a trim() on the String before passing it to your SAX Parser. For some reason I was getting XML responses that introduced extra white space at the start, which resulted in the above Xerces error when...