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Using the lockfile command (a conditional semaphore-file creator distributed in the procmail package). System calls that create a file, but fail if the file already exists. (System calls are available from languages such as C or C++, and shell scripts can make use of noclobber) Using the mkdir command and checking the exit code for failure [11]
Its root system is generally shallow, so the plant is dependent on soil moisture. As a plant that uses C 4 carbon fixation, maize is a considerably more water-efficient crop than plants that use C 3 carbon fixation such as alfalfa and soybeans. Maize is most sensitive to drought at the time of silk emergence, when the flowers are ready for ...
118th Congress House member pin from both the 1st and 2nd session. The 118th United States Congress is the current meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives.
The number e is a mathematical constant approximately equal to 2.71828 that is the base of the natural logarithm and exponential function.It is sometimes called Euler's number, after the Swiss mathematician Leonhard Euler, though this can invite confusion with Euler numbers, or with Euler's constant, a different constant typically denoted .
Suppose that the entire population of interest is eight students in a particular class. For a finite set of numbers, the population standard deviation is found by taking the square root of the average of the squared deviations of the values subtracted from their average value.
The International System of Units, internationally known by the abbreviation SI (from French Système international d'unités), is the modern form of the metric system and the world's most widely used system of measurement. It is the only system of measurement with official status in nearly every country in the world, employed in science ...
Terminator 2: Judgment Day [a] is a 1991 American science fiction action film directed by James Cameron, who co-wrote the script with William Wisher.Starring Arnold Schwarzenegger, Linda Hamilton, and Robert Patrick, it is the sequel to The Terminator (1984) and is the second installment in the Terminator franchise.
Martial law is the replacement of civilian government by military rule and the suspension of civilian legal processes for military powers. [1] Martial law can continue for a specified amount of time, or indefinitely, and standard civil liberties may be suspended for as long as martial law continues.