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How to make a phone call programmatically?
...198+","+1+","+1));
startActivity(callIntent);
for multiple ordered call
This is used to DTMF calling systems.
If call is drop then, you should pass more " , " between numbers.
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Referring to a Column Alias in a WHERE Clause
...e the WHERE clause. This is usually done with parenthesis to force logical order of operation or with a Common Table Expression (CTE):
Parenthesis/Subselect:
SELECT
*
FROM
(
SELECT
logcount, logUserID, maxlogtm,
DATEDIFF(day, maxlogtm, GETDATE()) AS daysdiff
FROM statslogsumma...
Why are functions in Ocaml/F# not recursive by default?
... t x = t +. p x in
-. fold p 0.0
Note how the argument p to the higher-order shannon function is superceded by another p in the first line of the body and then another p in the second line of the body.
Conversely, the British SML branch of the ML family of languages took the other choice and SM...
Why are C# interface methods not declared abstract or virtual?
... a list of interface vtables, one vtable per interface (so that the method order is preserved). This is how COM interfaces are typically implemented as well.
In .NET, though, interfaces are not implemented as distinct vtables for each class. Interface methods are indexed through a global interfac...
How to change field name in Django REST Framework
...erializerMethodField:
Here is the model Park, which has name and alternate_name fields.
class Park(models.Model):
name = models.CharField(max_length=256)
alternate_name = models.CharField(max_length=256, blank=True)
objects = models.GeoManager()
class Meta:
db_table = u'...
Is there a performance difference between i++ and ++i in C?
...++i is the "semantic" way to use a unary operator, while i++ is around in order to fit a specific need (evaluation before addition).
– TM.
Aug 12 '09 at 21:55
9
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How can I cast int to enum?
...ags or enum values
.field public specialname rtspecialname int32 value__
}
What should get your attention here is that the value__ is stored separately from the enum values. In the case of the enum Foo above, the type of value__ is int16. This basically means that you can store whatever you w...
Why does GCC generate such radically different assembly for nearly the same C code?
... why they are so different, first we must understand how GCC optimizes fast_trunc_one().
Believe it or not, fast_trunc_one() is being optimized to this:
int fast_trunc_one(int i) {
int mantissa, exponent;
mantissa = (i & 0x07fffff) | 0x800000;
exponent = 150 - ((i >> 23) &...
Which concurrent Queue implementation should I use in Java?
...conds).
Fairness means that the Lock implementation will keep the threads ordered. Meaning if Thread A enters and then Thread B enters, Thread A will get the lock first. With no fairness, it is undefined really what happens. It will most likely be the next thread that gets scheduled.
As for whi...
MongoDB/Mongoose querying at a specific date?
...l moments in a day.
db.posts.find( //query today up to tonight
{"created_on": {"$gte": new Date(2012, 7, 14), "$lt": new Date(2012, 7, 15)}})
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