Getting a job is a very hard period in the life of most people. Companies choose an employee from hundreds of candidates according to special rules, that is why there are special "typical" factors, influencing on employer"s choice. Among such factors are: age, sex, experience, family background and marital status, personality and references.
If you are to go to an interview tomorrow, sleep well before it and do not forget your CV at home - is the basic rule. Moreover, there are some recommendations, which can help you. For example, read annual report, or a newspaper of the company to show your understanding of the corporate strategy on the interview. What is more, you should choose corresponding dress code for the interview. Even such advices are to help you make a good impression; some companies do not want to hire a man, who follows every advice. To illustrate this, I can quote Artemiy Lebedev, the most famous Russian web-designer: "If you enclose a standard stupid resume, written by the rules of American bureaucracy, we would delete it immediately after receiving. If your CV is composed according to all rules, we would not choose you, as we might think, that your profession is to acquire a job".
After getting a job, you may have some unexpected troubles with boss, too: e.g. if you dye your hair or wear something not appropriate. The best solution of such situation is to ask a trade union for advice, which can always help you in your fight with an employer. Of course, if you affect company discipline not coming in time or working badly, your dismissal would not be unfair.
To conclude, I can say that it is sometimes hard not only to get a job, but also to work in the staff, and if you do not want to be laid off, you should follow company rules, it is a must.