大约有 30,000 项符合查询结果（耗时：0.0475秒） [XML]
Why would iterating over a List be faster than indexing through it?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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android get all contacts
...tentResolver();
Cursor cur = cr.query(ContactsContract.Contacts.CONTENT_URI,
null, null, null, null);
if ((cur != null ? cur.getCount() : 0) > 0) {
while (cur != null && cur.moveToNext()) {
String id = cur.getString(
cur.getColu...
How do I access call log for android?
...owing permission:
<uses-permission android:name="android.permission.READ_CALL_LOG" />
Code:
Uri allCalls = Uri.parse("content://call_log/calls");
Cursor c = managedQuery(allCalls, null, null, null, null);
String num= c.getString(c.getColumnIndex(CallLog.Calls.NUMBER));// for number
Strin...
Doctrine - How to print out the real sql, not just the prepared statement?
...ries I use
sudo vim /etc/mysql/my.cnf
and add those 2 lines:
general_log = on
general_log_file = /tmp/mysql.log
and restart mysql
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follo...
Run javascript function when user finishes typing instead of on key up?
...t one line with underscore.js debounce function:
$('#my-input-box').keyup(_.debounce(doSomething , 500));
This basically says doSomething 500 milliseconds after I stop typing.
For more info: http://underscorejs.org/#debounce
...
Catch Ctrl-C in C
... that is also working under asynchronous interrupts: I would either use sig_atomic_t or atomic_bool types there. I just missed that one. Now, since we are talking: would you like me to rollback my latest edit? No hard feelings there it would be perfectly understandable from your point of view :)
...
How to capture no file for fs.readFileSync()?
... good code practices here!
const content = await readFileAsync(path.join(__dirname, filePath), {
encoding: 'utf8'
})
return content;
}
Later can use this async function with try/catch from any other function:
const anyOtherFun = async () => {
try {
const fileContent = await rea...
Moving matplotlib legend outside of the axis makes it cutoff by the figure box
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Python: Find in list
...n or generator expressions for that:
matches = [x for x in lst if fulfills_some_condition(x)]
matches = (x for x in lst if x > 6)
The latter will return a generator which you can imagine as a sort of lazy list that will only be built as soon as you iterate through it. By the way, the first one...
Sort array of objects by string property value
...ite your own comparison function:
function compare( a, b ) {
if ( a.last_nom < b.last_nom ){
return -1;
}
if ( a.last_nom > b.last_nom ){
return 1;
}
return 0;
}
objs.sort( compare );
Or inline (c/o Marco Demaio):
objs.sort((a,b) => (a.last_nom > b.last_nom) ? 1 :...