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Q: Which loops will always perform a task at least once?
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Who should perform Hajj?

All Muslims must perform Hajj at least once in a lifetime.


Does The statements within a while loop execute at least once?

No. If the loop condition is not satisfied then the loop would not be executed even once. while(condition) { ..... /statements ..... } here,when the condition is true then the statements will be executed. Otherwise they would be skipped without being executed. Only for do.. while loops this execution at least once holds good.


What loop always execute at least once?

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How often are Muslims expected to make a hajj to Mecca?

Muslims go to mekkah once in their lifetime if they can afford it.


Why do Islamic believers travel to Mecca once during their lives?

To perform Hajj ( pilgrimage ) which is one of the five pillars of Islam, so it's pretty important for a Muslim to do it at least once in their life if he is able .


What is the difference between a repeat until and a while do loop?

Repeat until loops run until a condition is true. They repeat at the end of the loop and they will always run at least once. While do loops will only run while a condition is true. They may not run at all.


Once demurrage always on demurrage means?

once on demurrage always on demurrage clause means that once a charterer use all the laytime allowed to perform loading and/or discharging operation all time passed thereafter will count as demurrage even within the -otherwise- excepted periods such as rain/bad weather even strikesonly exception on the clause is in case of ship's failure to perform operation and same caused on purpose by owners and/or crew


How many wars are going on?

i remember hearing a while back that there were always at least 150 wars (conflicts) going on at once.


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How often must Muslims perform hajj?

It is required for an able Muslim to perform hajj once in their lifetime; if you perform it multiple times, then that's a voluntary act of worship.It was narrated from Ibn 'Abbaas that al-Aqra' ibn Haabis asked the Prophet (peace and blessings of Allaah be upon him): "O Messenger of Allaah, is Hajj every year or just once?" He said: "It is only once, and whoever does more than that, it is a voluntary (act of worship)."


How often should a horses stall be cleaned if it is in it frequently?

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What type of loop always execute at least once?

A do-while loop always executes at least once, and works like this: do { //code, such as incrementing a value, printing text, etc. } while (expressionToEvaluate); a perfect example of this would be something like: <code> int i = 10; int counter = 0; do { counter+=i; i--; } while (i > 0); </code>