Can a defendant agree to probation knowing that he would not be able to comply with one of the conditions?

Is a challenged probation condition that prohibits a defendant from breaching the terms and conditions of probation unconstitutional? (California, United States of America)

Is a probation condition of probation valid if it prohibits a defendant from engaging in sexual acts while on probation that is not in itself criminal? (California, United States of America)

Is a defendant who has fulfilled the conditions of probation for the entire period of probation, or has been discharged prior to the termination of the probation, entitled to change his plea or verdict to not guilty? (California, United States of America)

Is a defendant's probation condition conditioned upon payment of a probation supervision fee? (California, United States of America)

Does a probation condition that imposes limitations on a person's constitutional rights need to be closely tailored to the purpose of the probation condition? (California, United States of America)

Does a probation officer have an obligation to judiciously enforce a probation condition that prohibits a defendant from attending a court? (California, United States of America)

Is a defendant entitled to an updated probation report because the probation officer mistakenly believed that he was ineligible for probation? (California, United States of America)

Does a probation condition prohibit a defendant from knowingly being in any building or vehicle where there is a dangerous or deadly weapon or near anyone who possesses such a weapon? (California, United States of America)

What is the effect of a probation condition that requires a defendant to follow any reasonable instruction given by her supervising probation officer? (California, United States of America)

Can a probation order that a defendant stay off welfare by getting and keeping a job as a condition of probation be enforceable? (California, United States of America)