[[sachy]]
 

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user:sachy [2018/08/21 23:44]
sachy
user:sachy [2019/01/31 16:41] (current)
sachy
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   * grep n-teho nalezeneho <​code>​grep -o -e <​expr>​ | head -n 14584 | tail -n 1 # fuu!</​code>​   * grep n-teho nalezeneho <​code>​grep -o -e <​expr>​ | head -n 14584 | tail -n 1 # fuu!</​code>​
   * Automaticke spusteni scriptu pred/po (ne)uspesnem mountu: <​code>​mount -o premount=/​bla/​prepare.sh,​postmount=/​bla/​ok.sh,​failmount=/​bla/​fail.sh ...</​code>​   * Automaticke spusteni scriptu pred/po (ne)uspesnem mountu: <​code>​mount -o premount=/​bla/​prepare.sh,​postmount=/​bla/​ok.sh,​failmount=/​bla/​fail.sh ...</​code>​
 +  * "​bc"​ ktere nezahazuje 0 na zacatku desetinnych cisel, viz [[user:​sachy:​lakatux|fix do ~.bashrc]]
  
 ==== Nemam cas ==== ==== Nemam cas ====
  
   * Hashovaci fce f(x):​T<​sub>​0</​sub>​->​T<​sub>​1</​sub>;​ T<​sub>​0</​sub>>>​T<​sub>​1</​sub>​ (kde T<​sub>​0</​sub>​ je nekonecne mnoho vstupu, T<​sub>​1</​sub>​ konecny pocet hashu). Iterujte pro vetsi bezpecnost 1024x, takze vysledny prostor je T<​sub>​0</​sub>​ >> T<​sub>​1</​sub>​ >...> T<​sub>​1023</​sub>​ >​T<​sub>​1024</​sub>​. Sachy tvrdi, ze T<​sub>​1024</​sub>​ hashu je jen "​malo"​ (zbyva sehnat farmu na vypocet).   * Hashovaci fce f(x):​T<​sub>​0</​sub>​->​T<​sub>​1</​sub>;​ T<​sub>​0</​sub>>>​T<​sub>​1</​sub>​ (kde T<​sub>​0</​sub>​ je nekonecne mnoho vstupu, T<​sub>​1</​sub>​ konecny pocet hashu). Iterujte pro vetsi bezpecnost 1024x, takze vysledny prostor je T<​sub>​0</​sub>​ >> T<​sub>​1</​sub>​ >...> T<​sub>​1023</​sub>​ >​T<​sub>​1024</​sub>​. Sachy tvrdi, ze T<​sub>​1024</​sub>​ hashu je jen "​malo"​ (zbyva sehnat farmu na vypocet).
 
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