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Questions tagged [flags]

Flags are atomic data structures used to identify state in a program.

A flag field is an integer interpreted as a sequence of boolean bits, each called a flag. A single flag has two possible states: 0, representing false or off, and 1, representing true or on.

This tag can be used for problems related to .

Source

Wikipedia

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SameSite cookie in Java application

Do you know any Java cookie implementation which allows to set a custom flag for cookie, like SameSite=strict? It seems that javax.servlet.http.Cookie has a strictly limited set of flags which can be added.
Michal_Szulc
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Enum flags in JavaScript

I need to emulate enum type in Javascript and approach seems pretty straight forward: var MyEnum = {Left = 1; Right = 2; Top = 4; Bottom = 8} Now, in C# I could combine those values like this: MyEnum left_right = MyEnum.Left | MyEnum.Right and…
Andrey
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Correct way to check for a command line flag in bash

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 ">>>> Running with flag" else echo ">>>> Running without…
BCS
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Enum flags over 2^32

I am using Enum flags in my application. The Enum can have around 50+ values, so values go up to 2^50. I was just wondering, can I use Math.Pow(2, variable) to calculate these? When I try to do that I get a constant value compile-time error. Is…
Charu
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Material design layout_scrollFlags meanings

I find out that we can use cool flags that scroll both toolbar and even content by using layout_scrollFlags. In my case, I have a layout like this:
Mahdi
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Switch on Enum (with Flags attribute) without declaring every possible combination?

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 problem is that if i have the following…
MartinF
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How to disable a log.Logger

I have some heavily instrumented code that makes use of the log package. Now it's come time to turn off the logging, and I can't determine how to turn off the standard logger. Have I missed something? Should I be checking a flag before making log…
Matt Joiner
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Activity stack ordering problem when launching application from Android app installer and from Home screen

For testing purposes only, I am allowing my app APK to be downloaded and installed via a URL. Once downloaded on the phone, it can be launched with the Android app installer which gives the user an option to install it to their device and then run…
antonyt
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Checking flag bits java

I have a problem with flag bits. I have an int variable to hold flags. First I set some flags to that variable. Later I need check how many flags were set in that variable. But I don't know to do it.
Nagaraju
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What does regex' flag 'y' do?

MDN says: To perform a "sticky" search, that matches starting at the current position in the target string, use the y flag. I don't quite understand it.
DarkLightA
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Should command line options in POSIX-style operating systems be underscore style?

Should the name of command line options for a program in a POSIX-style operating system be underscore-style, like --cure_world_hunger or maybe some other style? --cureworldhunger --cure-world-hunger --cureWorldHunger What's most common? What's…
Pablo Fernandez
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Enum.HasFlag, why no Enum.SetFlag?

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) flags |= flag; else flags…
bevacqua
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Python RegExp global flag

Is there a flag or some special key in python to use pattern multiple times. I used to test http://gskinner.com/RegExr/ my RegExp, it worked correctly in it. But when testing in correct enviorment match only returns None. import re pattern =…
Metsavaht
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Removing Strikethrough from TextView

I'm using this line below in order to set a strikethrough on my TextView: tv.setPaintFlags(tv.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG); However later on in the Fragment, if they click the TextView again, I would like the strikethrough to be…
edwoollard
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Flags in a database rows, best practices

I am asking this out of a curiosity. Basically my question is when you have a database which needs a row entry to have things which act like flags, what is the best practice? A good example of this would be the badges on stack overflow, or the…
Evan Teran
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