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Get generated id after insert
...sert("user", "", values) ;
If query exec use select last_insert_rowid()
String sql = "INSERT INTO [user](firstName,lastName) VALUES (\"Ahmad\",\"Aghazadeh\"); select last_insert_rowid()";
DBHelper itemType =new DBHelper();// your dbHelper
c = db.rawQuery(sql, null);
if (c.moveToFirst())
re...
How to fix committing to the wrong Git branch?
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For an extra secure feeling, perform the cherry-pick first on the correct branch and only then reset the wrong branch.
– Age Mooij
Dec 27 '11 at 22:54
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Difference in Months between two dates in JavaScript
...r monthCorrection=0;
//If roundUpFractionalMonths is true, check if an extra month needs to be added from rounding up.
//The difference is done by ceiling (round up), e.g. 3 months and 1 day will be 4 months.
if(roundUpFractionalMonths===true && daysDifference>0)
{
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Further understanding setRetainInstance(true)
...tribute with a unique ID.
Supply the android:tag attribute with a unique string.
If you provide neither of the previous two, the system uses the ID of the container view.
This strongly implies that if you do setContentView(R.layout.whatever) in Activity.onCreated() and that layout contains ...
How to change spinner text size and text color?
...>
Now use this file to show your spinner items like:
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.spinner_item,list);
You don't need to set the drop down resource. It will take spinner_item.xml only to show your items in spinner.
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Jackson - Deserialize using generic class
I have a json string, which I should deSerialize to the following class
12 Answers
12
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Is a Java hashmap search really O(1)?
... 2 = (n / capacity)2
This is much lower. Since the cost of handling one extra collision is irrelevant to Big O performance, we've found a way to improve performance without actually changing the algorithm! We can generalzie this to
pcollision x k = (n / capacity)k
And now we can disregard...
Javascript: How to detect if browser window is scrolled to bottom?
..., and hence the condition does not get triggered. Not sure why, had to add extra few px to make it work.
– Sharjeel Ahmed
Apr 27 '17 at 11:34
3
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How to check 'undefined' value in jQuery
...platform:
if (typeof value === "undefined") {
// ...
}
It returns a string indicating the type of the variable or other unevaluated operand. The main advantage of this method, compared to if (value === undefined) { ... }, is that typeof will never raise an exception in case if variable value ...
Remove whitespaces inside a string in javascript
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You can use Strings replace method with a regular expression.
"Hello World ".replace(/ /g, "");
The replace() method returns a new string with some or all matches of
a pattern replaced by a replacement. The pattern can be a string...