if-statement

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 6 years ago . I need to analyze a string in JAVA to find out if it has both letters and numbers. So this is what I have so far. The variable pass is a String of maximum 8 characters/numbers that is inputted by the user. if

问题 I have 2 dataframes where im trying to compare the value in one with another If the value matches in both table 1 and 2, then a third value from table 2 is inserted into Table one. Example Table My DF words number 1 it 1 2 was 2 3 the 3 4 LTD QTY 4 5 end 5 6 of 6 7 winter 7 Table x.sub lev_dist Var1 Var2 31 1 LTD QTY LTD QTY What i want to say is, if Var1 in x.sub is equal to words in MyDF then insert x.sub.lev_dist in a third column next to the word in mydf My attempt is below but keeps

问题 I have 2 dataframes where im trying to compare the value in one with another If the value matches in both table 1 and 2, then a third value from table 2 is inserted into Table one. Example Table My DF words number 1 it 1 2 was 2 3 the 3 4 LTD QTY 4 5 end 5 6 of 6 7 winter 7 Table x.sub lev_dist Var1 Var2 31 1 LTD QTY LTD QTY What i want to say is, if Var1 in x.sub is equal to words in MyDF then insert x.sub.lev_dist in a third column next to the word in mydf My attempt is below but keeps

问题 I want the user to click a button on my website, and when it is clicked I want i = i + 1. So far I have this code that doesn't work # On html file <form method='get' action='#'> <input type="submit" value="Next" name="Next"/> </form> # In django views if request.GET.get('Name'): print('user clicked summary') 回答1: Try - # On html file <form method='get' action='#'> <input type="submit" value="Next" name="Next"/> </form> # In django views if request.GET.get('Next') == 'Next': print('user

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed last year . I made a program recently that dealt with a lot of if/else statements to return particular values. Someone recommended to use lookup tables instead. My question is, how do they work and how do you implement it? What is the difference between a map, hash table, and lookup table. This

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed last year . I made a program recently that dealt with a lot of if/else statements to return particular values. Someone recommended to use lookup tables instead. My question is, how do they work and how do you implement it? What is the difference between a map, hash table, and lookup table. This

问题 I have this weird problem: Below is a JavaScript function function calculateSum() { var e2 = document.getElementById('hotel_names'); var selValue2 = e2.options[e2.selectedIndex].value; if (selValue2='1') { alert("helloworld"); } else { alert("byeworld"); } //function closes } It captures the option value of an HTML element selection and show the appropriate message...or it should be. The thing is it always shows 1 no matter the selection. On the other hand the following works. function

问题 I know this question was asked before but each case is different... My plea is this: df = pd.read_csv(‘file.csv’) # convert the string into a datetime object time = pd.to_datetime(df.dttm_utc) Month=time.dt.month Day=time.dt.day Hour=time.dt.Hour InDayLightSavings=True if (Month<3): InDayLightSavings=False if (Month==3) and (Day<11) and (Hour<2): InDayLightSavings=False if (Month>11): InDayLightSavings=False if (Month==11) and (Day>4)and (Hour>=2): InDayLightSavings=False if

问题 I know this question was asked before but each case is different... My plea is this: df = pd.read_csv(‘file.csv’) # convert the string into a datetime object time = pd.to_datetime(df.dttm_utc) Month=time.dt.month Day=time.dt.day Hour=time.dt.Hour InDayLightSavings=True if (Month<3): InDayLightSavings=False if (Month==3) and (Day<11) and (Hour<2): InDayLightSavings=False if (Month>11): InDayLightSavings=False if (Month==11) and (Day>4)and (Hour>=2): InDayLightSavings=False if

问题 How would I combine these together into one?: =IFERROR(VLOOKUP(B2:B11,Sheet2!A:B,2,FALSE),"No Match") =IFERROR(VLOOKUP(B3:B12,Sheet2!D:E,2,FALSE),"No Match") =IFERROR(VLOOKUP(B2:B11,Sheet2!G:H,2,FALSE),"No Match") These are just three but eventually I would need 12 in total to be joined as these are searching team names and there are 12 teams in total. 回答1: If you wish to work through each of the pairs of columns in order, for an example of three pairs, just: =IFERROR(VLOOKUP(B2:B11,Sheet2!A