flags Questions
5
Solved
Recently I came across flag variables, but I have no idea what they do.
I am little unsure about when to use a flag variable and how to go about it.
I Googled it but there weren't any specific ex...
Desmonddesmoulins asked 1/7, 2013 at 10:20
3
Solved
I'm implementing GCM. My app has two activities, say A and B. I'm using this code to launch B from the NotificationBar:
long when = System.currentTimeMillis();
NotificationManager notificationMana...
Barbra asked 30/10, 2012 at 8:56
3
Solved
Why are bools sometimes referred to as "flags"? Is it just a metaphor or is there some historical reason behind it?
3
Solved
Found an interesting JVM Flag :
java -XX:+UnlockDiagnosticVMOptions -XX:+PrintFlagsFinal -version
It prints hundreds of various options, I never heard about before.
It also prints default value...
Bronnie asked 7/5, 2012 at 17:28
3
Solved
I have flags that may be defined in multiple components. Its not possible to know if a component has already defined a flag, as such if two components Foo and Bar require flag Zed, but Foo and Bar ...
13
Solved
how do i switch on an enum which have the flags attribute set (or more precisely is used for bit operations) ?
I want to be able to hit all cases in a switch that matches the values declared.
The...
Princely asked 24/6, 2009 at 20:18
18
Solved
Sometimes I want to just insert some print statements in my code, and see what gets printed out when I exercise it. My usual way to "exercise" it is with existing pytest tests. But when I run these...
2
Solved
I see many times flags such as if [-n ${Parameter}] or echo -n <string>. Sometimes, I have seen flags like -r and others used. However, I don't know how to search for the meaning of the...
4
Solved
I have been messing around with the Flags while learning ARM assembly on my Raspberry PI. I have devised of ways only to set the zero flag, only the negative, and only the carry flag. However I can...
Alfonsoalfonzo asked 2/10, 2018 at 3:15
5
Solved
I used:
getWindow().addFlags(android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
How do I resume to Default state (no-keep-on)?
7
I'm getting a lot of noise from the output of the 3rd party's page i'm currently playing with and i wonder if there's a way to filter the output on the console. Something like Logcat's flags. Is th...
Unbounded asked 12/7, 2011 at 3:55
4
Solved
Would someone explain me the role of flags in functions like setFlags? What exactly does this word mean in that situation...?
My example is
protected void onCreate(Bundle savedInstanceState) {
...
11
Solved
I have to build an extension method for each flag type I declare, like so:
public static EventMessageScope SetFlag(this EventMessageScope flags,
EventMessageScope flag, bool value)
{
if (value)...
4
Solved
Instead of doing this to add a value to flags enum variable:
MyFlags flags = MyFlags.Pepsi;
flags = flags | MyFlags.Coke;
I'd like to create an extension method to make this possible:
MyFlags f...
Syreetasyria asked 26/4, 2011 at 16:38
18
Solved
Let's say I have this enum:
[Flags]
enum Letters
{
A = 1,
B = 2,
C = 4,
AB = A | B,
All = A | B | C,
}
To check if for example AB is set I can do this:
if((letter & Letters.AB) == Letters...
3
Solved
Im designing a Pyside Qt application and I want to toggle the QtCore.Qt.WindowStaysOnTopHint window flag in my main window. Setting this hint using this code works fine:
self.setWindowFlags(QtCore...
Phratry asked 3/1, 2014 at 1:46
11
Solved
I have a QTreeWidgetItem with two columns of data, is there any way to make only the second column editable? When I do the following:
QTreeWidgetItem* item = new QTreeWidgetItem();
item->setFla...
Pinebrook asked 10/5, 2010 at 10:40
11
In the middle of a script, I want to check if a given flag was passed on the command line. The following does what I want but seems ugly:
if echo $* | grep -e "--flag" -q
then
echo ">>>&...
Hyams asked 20/5, 2010 at 15:45
5
Solved
I have run into a bug with gcc v3.4.4 and which to put an #ifdef in my code to work around the bug for only that version of the compiler.
What are the GCC compiler preprocessor predefined macros t...
Triplex asked 20/12, 2009 at 19:32
14
Solved
From time to time I see an enum like the following:
[Flags]
public enum Options
{
None = 0,
Option1 = 1,
Option2 = 2,
Option3 = 4,
Option4 = 8
}
I don't understand what exactly the [Flags]...
6
Solved
I want to check a condition inside a loop and execute a block of code when it's first met. After that, the loop might repeat but the block should be ignored. Is there a pattern for that? Of course ...
Pulverulent asked 17/7, 2013 at 13:33
4
Solved
Is there a work around to make country flag emoji visible on windows 10 through HTML?
<!DOCTYPE html>
<html>
<style>
body {
font-size: 40px;
}
</style>
<body>
...
3
Solved
Is it possible not to set default value in flag package in Go? For example, in flag package you can write out the following line:
filename := flag.String("file", "test.csv", "Filename to cope with...
Hypothalamus asked 25/8, 2013 at 13:47
3
Solved
I'm running a containerized java application in Kubernetes.
In order to make the jvm reserve memory according to the container specifications, the flags -XX:+UnlockExperimentalVMOptions -XX:+UseCG...
Trincomalee asked 28/9, 2018 at 12:11
4
Solved
I know that you can use FlagsAttribute to instruct the compiler to use bitfields for an enumeration.
Is there a way to specify that enum values cannot be combined with bitwise OR?
Example:
enum ...
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