词汇：begin
vt. 开始
相关场景
- 48.memoization优化模式:
- def current_user
@current_user ||= User.find(logged_in_user_id)；
def shipped?(order_id) @status ||= begin file = fetch_confirmation_file ; file? parse_confirmation_file(file) : {} end @status[order_id] == :shipped end
返回的是true or false； 而current_user 返回的是变异对象；如果不希望调用者修改缓存的变量，那应该考虑让被记忆化的方法返回冻结对象。>> Effective Ruby- 26. 限制retry次数,retry间隔指数增加:
- retries = 0; begin service.update(record); rescue VendorDeadlockError ; raise if retries >= 3 ; retries += 1; logger.warn("API failure: #{e}, retrying...");sleep(5 ** retries); retry; end
>> Effective Ruby- 25. ensure里面不要用return:
- 也不要用throw；一般不要在里面改变控制流，会抛弃异常。比如 begin 。raise。 ensure next; end>> Effective Ruby
- A trip of thousand miles begins with the first step.>> 16. Slang in Tour Guiding
- Busmen have decided to go on strike next week.;The strike is due to begin on Tuesday.>> 84-On Strike
- OMITTED:
- EXT. SEAN'S APARTMENT -- EARLY EVENING Begin final sequence.>> Good Will Hunting (1997)Movie Script
- Tom understands, begins filling out the form.>> Good Will Hunting (1997)Movie Script
- WILL:
- Yeah, let's let the healing begin.>> Good Will Hunting (1997)Movie Script
- WILL:
- (smiling, good naturedly) Hey, Bobby Champa! I went to Kindergarten with you right? Sister Margaret's class... Bobby is bewildered by this strange interruption and unsure of Will's intentions. Just when it looks as though Bobby might remember him, Will DRILLS HIM with a sucker-punch which begins the>> Good Will Hunting (1997)Movie Script
- INT. LOFT - NIGHT Szpilman hears the car's engine growing fainter. He starts to tremble and then begins to cry. He weeps uncontrollably.>> 钢琴家 The Pianist Movie Script
- His eyes begin to droop.>> 钢琴家 The Pianist Movie Script
- Immediately, he begins to search fractically, opening cupboards, drawers. He finds a can with a label illustrating pickled cucumbers. Desperately, he searches for something to open it with.>> 钢琴家 The Pianist Movie Script
- A terrific explosion. His windows are shattered. Glass everywhere. He is thrown back across the room. Smoke begins to billow and fill the room.>> 钢琴家 The Pianist Movie Script
- Suddenly, the man and woman begin to run.>> 钢琴家 The Pianist Movie Script
- His two companions have also put their packages to their shoulders and begin shooting, all aiming their fire at the Schutzpolizei building.>> 钢琴家 The Pianist Movie Script
- There's talk that the uprising will begin any day now.>> 钢琴家 The Pianist Movie Script
- The fire spreads quickly through the building. Smoke begins to pour from the upper floors.>> 钢琴家 The Pianist Movie Script
- The building begins to burn. Flames and smoke.>> 钢琴家 The Pianist Movie Script
- He begins to weep, loud, agonised sobs, and staggers on.>> 钢琴家 The Pianist Movie Script
- EXT. TRAIN - DAY The doors of the trucks are closed. The train begins to move. Slow, laborious. From the trucks, the faint cries of the occupants.>> 钢琴家 The Pianist Movie Script
- Father walks nervously up and down, hands behind his back, four steps one way, four steps back. Near them, a YOUNG WOMAN begins to wail.>> 钢琴家 The Pianist Movie Script
- The SS men open fire with a machine gun mounted on the vehicle. People in the building opposite begin to SCREAM.>> 钢琴家 The Pianist Movie Script
- Meanwhile, a street band begins to play a waltz. Jewish policemen and German soldiers are clearing a space, shoving Jews out of the way, including Szpilman, Henryk and the nervous man. Other soldiers are clearing a space.>> 钢琴家 The Pianist Movie Script
- She begins to laugh.>> 钢琴家 The Pianist Movie Script
- RHETT:
- To begin with, give up the mill, Scarlett. We'll go away. We'll take Bonnie with us and we'll have another honeymoon.>> 飘 Gone with the Wind Movie Script