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What's “requestCode” used for on PendingIntent?
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answered Feb 3 '14 at 12:04
Minhaj ArfinMinhaj Arfin
83188 silver badges88 bronze badges
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How much size “Null” value takes in SQL Server
I have a large table with say 10 columns. 4 of them remains null most of the times. I have a query that does null value takes any size or no size in bytes. I read few articles some of them are saying :
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Booleans, conditional operators and autoboxing
...onditional expression is the result of applying capture conversion (§5.1.10) to lub(T1, T2) (§15.12.2.7).
S1 == <special null type> (see §4.1)
S2 == boolean
T1 == box(S1) == <special null type> (see last item in list of boxing conversions in §5.1.7)
T2 == box(S2) == `Boolean
lub(...
How to easily initialize a list of Tuples?
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305
c# 7.0 lets you do this:
var tupleList = new List<(int, string)>
{
(1, "cow"),...
How to synchronize a static variable among threads running different instances of a class in Java?
...s on the class object.
public class Test {
private static int count = 0;
public static synchronized void incrementCount() {
count++;
}
}
Explicitly synchronize on the class object.
public class Test {
private static int count = 0;
public void incrementCount() {
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Implementing slicing in __getitem__
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answered May 29 '10 at 22:56
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
667k127127 gold badges11911191 silver badges12501250 bronze badges
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How to count certain elements in array?
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Very simple:
var count = 0;
for(var i = 0; i < array.length; ++i){
if(array[i] == 2)
count++;
}
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Any way to make a WPF textblock selectable?
...ck control.
<TextBox Background="Transparent"
BorderThickness="0"
Text="{Binding Text, Mode=OneWay}"
IsReadOnly="True"
TextWrapping="Wrap" />
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impro...
C# Regex for Guid
... you say.
resultString = Regex.Replace(subjectString,
@"(?im)^[{(]?[0-9A-F]{8}[-]?(?:[0-9A-F]{4}[-]?){3}[0-9A-F]{12}[)}]?$",
"'$0'");
This matches the following styles, which are all equivalent and acceptable formats for a GUID.
ca761232ed4211cebacd00aa0057b223
CA761232-ED42-11CE-BAC...
CSS - Overflow: Scroll; - Always show vertical scroll bar?
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401
Just ran into this problem myself. OSx Lion hides scrollbars while not in use to make it seem m...