. . . . . . 18 3. 3. 1 - E n s u r e t h at ad m i n i s t r at or p r i v i l e ge s ar e on l y gr an t e d t o t h os e w h o r e q u i r e t h e m . . . . . . . . . . . . . . . . . . . 18 3. 4 - i z e d r e ad s or w r i t e s . I t s h ou l d n ot b e r e ad ab l e or w r i t ab l e b y an y gr ou p m e m b e r s or t h e w or l d . A u d i t O n t h e e t c d s e r v e r n od e , ge t t h : E n ab l i n g t h e AlwaysPullImages ad m i s s i on c on t r ol p l u gi n c an c au s e d e - gr ad e d p e r f or m an c e d u e t o ov e r h e ad of al w ay s p u l l i n g i m age s . E n ab l

. . . . . . . . . . 5 1 S y n t ax an d gr am m ar 7 1. 1 Not at i on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1. 2 Le x i c al gr am m ar . . . . . . . . . . . . . . . . . 2. 5 S t r i n g m od e gr am m ar . . . . . . . . . . . . . . . . . . . . 18 1. 2. 6 T ok e n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 1. 3 S y n t ax gr am m ar . . . . . . . . . . . . . . . 229 12 C on t r ol - an d d at a- fl ow an al y s i s 231 12. 1 C on t r ol fl ow gr ap h . . . . . . . . . . . . . . . . . . . . . . . . . . 231 12. 1. 1 E x p r e s s i on s . . .

2. 7 Ve r s i on 1. 0. 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1. 3 Up gr ad i n g f r om Ve r s i on 1. 0 t o 1. 1 . . . . . . . . . . . . . . . . . . . . . . . 3 1. 3. 1 Nam e d S c op e s • Ad d e d s u p p or t f or p r ofi l i n g S Q L e x e c u t i on s 1. 3 U p gr a d i n g f r om V e r s i on 1. 0 t o 1. 1 3 – P r ofi l i n g S Q L E x e c u t i on s • Ad d e u s e r r e q u e s t . As a r e s u l t , t h e ov e r al l p e r f or m an c e m ay n ot b e d e gr ad e d e v e n i f an ap p l i c at i on i s c on fi gu r e d w i t h m an y c om p on e n t s . S

Recueillir des informations de débogage . . . . . . . . . . . . . . . . . 221 12.1.3 Le débogueur de VM intégré . . . . . . . . . . . . . . . . . . . . . . . . 222 12.1.4 Format du cœur d’une VM . . . . . . . iSCSI, page 98. 14 1 Premiers pas – Amorçage par le réseau PXE. Les cartes réseaux virtuelles intégrées de VirtualBox supportent complètement l’amorçage à distance via Preboot Execution Environment (PXE) xvf - À partir de VirtualBox 3.1, le paquet noyau de VirtualBox n’est plus distinct et il a été intégré au paquet principal. Installez le paquet VirtualBox en utilisant : pkgadd -d VirtualBox-4.3.13-SunOS

u s e r r e q u e s t . As a r e s u l t , t h e ov e r al l p e r f or m an c e m ay n ot b e d e gr ad e d e v e n i f an ap p l i c at i on i s c on fi gu r e d w i t h m an y c om p on e n t s . S on f u s e p at h al i as w i t h n am e s p ac e . A n am e s p ac e r e f e r s t o a l ogi c al gr ou p i n g of s om e c l as s n am e s s o t h at t h e y c an b e d i ff e r e n t i at e d f r om f or i n v al i d i n p u t , an d s av e t h e i n p u t t o p e r s i s t e n t s t or age . Yi i gr e at l y s i m p l i fi e s t h i s w or k fl ow w i t h i t s M VC ar c h i t e c t u r e . T h e

t K ey O p e n i n g a d ou b l e q u ot e ( Q UO T E _O P E N) r u l e p u t s t h e l e x i c al gr am m ar i n t o t h e s p e c i al “l i n e s t r i n g” m od e w i t h t h e f ol l ow i n g r u l t r i p l e d ou b l e q u ot e ( T R I P LE _Q UO T E _O P E N) r u l e p u t s t h e l e x i c al gr am m ar i n t o t h e s p e c i al “m u l t i l i n e s t r i n g” m od e w i t h t h e f ol l ow i o k e ns T h e s e ar e al l t h e v al i d t ok e n s i n on e r u l e . Not e t h at s y n t ax gr am m ar i gn or e s t ok e n s Del i m i t ed C o m m en t , L i n eC o m m en t an d W S . Ko tl

w on ’ t c on fl i c t w i t h ot h e r ap p s . T h i s w or k s w i t h 3, w h at ab ou t i f i t gr ow s t o 10 d i ff e r e n t ap p s ? T h e ot h e r p r ob l e m w e r u n i n t o i s t h at t h t c on fl i c t . I f t h i s i s n ’ t a p r ob l e m y ou c ar e ab ou t , t h e n Ngi n x i s a gr e at s ol u t i on . I t ’ s a p r ob l e m f or m e t h ou gh , s o I w as on t h e s e ar c h f or i s w on d e r f u l an d e as y t o f ol l ow . M y f av ou r i t e f e at u r e i s t h e i n t e gr at i on w i t h D oc k e r , i t al l ow s y ou t o r u n al l d oc k e r i m age s an d ad d s om

p l e t e p ar t s of p r ogr am s . F or e x am p l e , w e c ou l d l e av e a h ol e f or t h e gr e e t i n g i n ou r “He l l o w or l d ” p r ogr am : main : IO () main = putStrLn ?greeting T h y p e of i n t e ge r s b e t w e e n 0 an d 4. Le t u s l ook at t h e c on s t r u c t or s i n gr e at e r d e t ai l . FZ i s t h e z e r ot h e l e m e n t of a fi n i t e s e t w i t h S k e l a fi n i t e s e t of n e l e m e n t s , w e c an t r e at Fin n as t h e s e t of i n t e ge r s gr e at e r t h an or e q u al t o z e r o an d l e s s t h an n. 10 C H A P T E R 1. T H E I D R I

p l e t e p ar t s of p r ogr am s . F or e x am p l e , w e c ou l d l e av e a h ol e f or t h e gr e e t i n g i n ou r “He l l o w or l d ” p r ogr am : main : IO () main = putStrLn ?greeting T h y p e of i n t e ge r s b e t w e e n 0 an d 4. Le t u s l ook at t h e c on s t r u c t or s i n gr e at e r d e t ai l . FZ i s t h e z e r ot h e l e m e n t of a fi n i t e s e t w i t h S k e l a fi n i t e s e t of n e l e m e n t s , w e c an t r e at Fin n as t h e s e t of i n t e ge r s gr e at e r t h an or e q u al t o z e r o an d l e s s t h an n. 10 C H A P T E R 1. T H E I D R I

p l e t e p ar t s of p r ogr am s . F or e x am p l e , w e c ou l d l e av e a h ol e f or t h e gr e e t i n g i n ou r “He l l o w or l d ” p r ogr am : main : IO () main = putStrLn ?greeting T h y p e of i n t e ge r s b e t w e e n 0 an d 4. Le t u s l ook at t h e c on s t r u c t or s i n gr e at e r d e t ai l . FZ i s t h e z e r ot h e l e m e n t of a fi n i t e s e t w i t h S k e l a fi n i t e s e t of n e l e m e n t s , w e c an t r e at Fin n as t h e s e t of i n t e ge r s gr e at e r t h an or e q u al t o z e r o an d l e s s t h an n. 10 C H A P T E R 1. T H E I D R I