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What is the difference between the states selected, checked and activated in Android?
...ld).setChecked(mCheckStates.get(position));
} else if (getContext().getApplicationInfo().targetSdkVersion
>= android.os.Build.VERSION_CODES.HONEYCOMB) {
child.setActivated(mCheckStates.get(position));
}
}
Note the mCheckStates variable. It keeps track of which positi...
Send email using java
... new Oauth2.Builder(httpTransport, JSON_FACTORY, credentials).setApplicationName("JStock").build();
Userinfoplus userInfo = userInfoService.userinfo().get().execute();
return userInfo;
}
public static String loadEmail(File dataStoreDirectory) {
File file ...
Truly understanding the difference between procedural and functional
...comprehensible. Now, functional style:
function allOdd(words) {
return apply(and, map(compose(odd, length), words));
}
Working from the inside out, this definition does the following things:
compose(odd, length) combines the odd and length functions to produce a new function that determines ...
Replace Fragment inside a ViewPager
...u probably noticed yourself, using that ID in your code causes nothing to happen. I will explain why:
First of all, to make ViewPager repopulate the pages, you need to call notifyDataSetChanged() that resides in the base class of your adapter.
Second, ViewPager uses the getItemPosition() abstract ...
Database, Table and Column Naming Conventions? [closed]
...actually make it harder to find tables. With experience, you can plan and apply a prefixing scheme that does more good than harm. I worked in a db once where data tables began with tbl, config tables with ctbl, views with vew, proc's sp, and udf's fn, and a few others; it was meticulously, consist...
Shared-memory objects in multiprocessing
...ates access to it from other processes (even over a network).
The Manager approach can be used with arbitrary Python objects, but will be slower than the equivalent using shared memory because the objects need to be serialized/deserialized and sent between processes.
There are a wealth of parallel...
Remove sensitive files and their commits from Git history
...ges after this, they'll get a message indicating that the changes can't be applied because it's not a fast-forward.
To fix this, they'll have to either delete their existing repository and re-clone it, or follow the instructions under "RECOVERING FROM UPSTREAM REBASE" in the git-rebase manpage.
T...
Should I use past or present tense in git commit messages? [closed]
...to use the imperative mood because it establishes good habits that will be appreciated when you're working with others.
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What is in your Mathematica tool bag? [closed]
...
I've mentioned this before, but the tool I find most useful is an application of Reap and Sow which mimics/extends the behavior of GatherBy:
SelectEquivalents[x_List,f_:Identity, g_:Identity, h_:(#2&)]:=
Reap[Sow[g[#],{f[#]}]&/@x, _, h][[2]];
This allows me to group lists by a...
How can I extract embedded fonts from a PDF as valid font files?
...ted font data as a file which is re-usable.
Using mupdf
Next, MuPDF. This application comes with a utility called pdfextract (on Windows: pdfextract.exe) which can extract fonts and images from PDFs. (In case you don't know about MuPDF, which still is relatively unknown and new: "MuPDF is a Free li...