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How do I write good/correct package __init__.py files
...a script that has grown into multiple scripts without breaking an existing application. But if you're designing a package from the start. I think it's best to leave __init__.py files empty.
for example:
foo.py - contains classes related to foo such as fooFactory, tallFoo, shortFoo
then the app g...
Callback functions in Java
...rt java.util.function.Function;
public MyClass {
public static String applyFunction(String name, Function<String,String> function){
return function.apply(name);
}
}
then you can call it like so
MyClass.applyFunction("42", str -> "the answer is: " + str);
// returns "the an...
How to start new activity on button click
In an Android application, how do you start a new activity (GUI) when a button in another activity is clicked, and how do you pass data between these two activities?
...
What's the fastest way to delete a large folder in Windows?
...lacing the folder names in quotes with your folder names:
rmdir /s /q "My Apps"
rmdir /s /q "My Documents"
rmdir /s /q "My Pictures"
rmdir /s /q "My Work Files"
2) save the batch file with a .bat extension (for example deletefiles.bat)
3) open a command prompt (Start > Run > Cmd) and ...
Collisions when generating UUIDs in JavaScript?
...
Anyway, if it's Chrome and only when starting, your app could generate and discard a row of, say, ten guids using the above function :)
– Vinko Vrsalovic
Jan 21 '14 at 5:48
...
Converting SVG to PNG using C# [closed]
...ilename: String);
const
ExecLine = 'c:\windows\system32\java.exe -jar C:\Apps\batik-1.7\batik-rasterizer.jar ';
begin
ExecNewProcess(ExecLine + aFilename, True);
end;
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How to uninstall the “Microsoft Advertising SDK” Visual Studio extension?
...uestion in the last years and this answer is new. I love this dedicated UI app that solves 1 issue, but solves it just right.
– wigy
May 6 '15 at 19:33
2
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Include headers when using SELECT INTO OUTFILE?
...
This only appears to work if all the columns of YourTable are a character data type, which does make sense. Otherwise you get the unhelpful error: "The used SELECT statements have a different number of columns".
–...
Print the contents of a DIV
...
It sometimes happens if fails to load print preview, maybe when the content to print is quite big (i noticed it only with Chrome while same page prints perfeclty in Firefox, however i dont exclude it might happen in Firefox or other browse...
Linux error while loading shared libraries: cannot open shared object file: No such file or director
...RY_PATH=/usr/local/lib
(3) We add the desire path, export it and try the application.
Note that the path should be the directory where the path.so.something is.
So if path.so.something is in /my_library/path.so.something it should be :
$ LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/my_library/
$ export LD_...