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How can I mark “To Do” comments in Xcode?
...d:
#warning this will create a compiler warning.
And when you build the app you will get a compiler warning (a yellow triangle, not a compiler error) which is a little more "in your face" about reminding you of things you need to do.
...
Preloading images with jQuery
...ayOfImages).each(function () {
$('<img />').attr('src',this).appendTo('body').css('display','none');
});
}
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Chrome can't load web worker
...ile-access-from-files flag when you launch Chrome.
Example for MacOsX :
/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --allow-file-access-from-files
More info : Web worker settings for chrome
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How to verify if a file exists in a batch file?
...ing
)
If you do not need an "else", you can do something like this:
set __myVariable=
IF EXIST "C:\folder with space\myfile.txt" set __myVariable=C:\folder with space\myfile.txt
IF EXIST "C:\some other folder with space\myfile.txt" set __myVariable=C:\some other folder with space\myfile.txt
set _...
How to prevent buttons from submitting forms
...ide the default submit type. I just want to point out the reason why this happens.
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How to create a new branch from a tag?
...Example: git branch <Hotfix branch> <TAG>
git branch hotfix_4.4.3 v4.4.3
git checkout hotfix_4.4.3
or you can do with other command
git checkout -b <Hotfix branch> <TAG>
-b stands for creating new branch to local
once you ready with your hotfix branch, It's tim...
Android Studio: Android Manifest doesn't exists or has incorrect root tag
...Studio (3.3.2). This solution is not working for me ?? Any suggestion will appreciated. Thanks
– MRT
Mar 15 '19 at 13:45
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Why is string concatenation faster than array join?
...tenation:
// ECMA-262, section 15.5.4.6
function StringConcat() {
if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
throw MakeTypeError("called_on_null_or_undefined", ["String.prototype.concat"]);
}
var len = %_ArgumentsLength();
var this_as_string = TO_STRING_INLINE(t...
Use 'import module' or 'from module import'?
... * can be particularly useful, if using it as: if(windows):\n\t from module_win import * \n else: \n\t from module_lin import *. Then your parent module can potentially contain OS independent function names, if the function names in module_lin & module_win have same names. It's like conditionall...
Applying a function to every row of a table using dplyr?
...f Hadley's examples using pmap:
iris %>%
mutate(Max.Len= purrr::pmap_dbl(list(Sepal.Length, Petal.Length), max))
Using this approach, you can give an arbitrary number of arguments to the function (.f) inside pmap.
pmap is a good conceptual approach because it reflects the fact that when ...