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What does %~d0 mean in a Windows batch file?
... the file name. They can be combined so ~dp is drive+path.
%~dp0 is therefore pretty useful in a bat: it is the folder in which the executing bat file resides.
You can also get other kinds of meta info about the file: ~t is the timestamp, ~z is the size.
Look here for a reference for all command...
How to list only the file names that changed between two commits?
...ed to include enough of the SHA to identify the commits. You can also do, for example
git diff --name-only HEAD~10 HEAD~5
to see the differences between the tenth latest commit and the fifth latest (or so).
share
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Calendar returns wrong month [duplicate]
...t of that? It is supposed to be a calendar not a puzzle. Days are indexed normally, years too. Dont you think that Android developers have made an error. Yeah, of course they did, and they cant correct it just because it would be incompatible with milions of older apps.
– Tome...
Can gcc output C code after preprocessing?
...source library which seems to have lots of preprocessing directives to support many languages other than C. So that I can study what the library is doing I'd like to see the C code that I'm compiling after preprocessing, more like what I'd write.
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How to put a label on an issue in GitHub if you are not a contributor / owner?
I've submitted an issue for a project on GitHub which is not mine and I'm not a contributor, but I cannot find a way to label my issue. Is there a way for me to label it, or is this only available for contributors?
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How to add 30 minutes to a JavaScript Date object?
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Using a Library
If you are doing a lot of date work, you may want to look into JavaScript date libraries like Datejs or Moment.js. For example, with Moment.js, this is simply:
var newDateObj = moment(oldDateObj).add(30, 'm').toDate();
Vanilla Javascript
This is like ch...
Mean per group in a data.frame [duplicate]
...
This type of operation is exactly what aggregate was designed for:
d <- read.table(text=
'Name Month Rate1 Rate2
Aira 1 12 23
Aira 2 18 73
Aira 3 19 45
Ben 1 53 19
Ben 2 22 87
Ben ...
Android OnClickListener - identify a button
...ublic void onClick(View v) {
// it was the 2nd button
}
};
}
Or, if you are working with just one clicklistener, you can do:
View.OnClickListener myOnlyhandler = new View.OnClickListener() {
public void onClick(View v) {
switch(v.getId()) {
case R.id.b1:
// i...
How to get diff working like git-diff?
I like the output formatting of git diff . The color and the + / - representation of changes between lines is easier to read than GNU diff.
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Angularjs $q.all
I have implemented the $q.all in angularjs, but I can not make the code work. Here is my code :
3 Answers
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