[ad_1] item.getComponentAt(p); What is the point of that statement? How can you tell if the code worked or not since you never assign the result of the method to a variable? Turns out that because the panel is not really a component displayed on the frame you can’t just do as I originally suggested. If … Read more
[ad_1] You can make them instance variables of the class containing the two methods. This way, they are accessible to all the methods of the class, and it’s value is preserved between the calls to those methods. class ContainingClass { int randomNumber; int randomNumber2; public void generateNumbers() { Random rand = new Random(); randomNumber = … Read more
[ad_1] you need to get the key as per your json. using that keys you will get the data. NSURL * url=[NSURL URLWithString:@”http://api.geonames.org/citiesJSON?north=44.1&south=-9.9&east=-22.4&west=55.2&lang=de&username=demo”]; // pass your URL Here. NSData * data=[NSData dataWithContentsOfURL:url]; NSError * error; NSMutableDictionary * json = [NSJSONSerialization JSONObjectWithData:data options: NSJSONReadingMutableContainers error: &error]; NSLog(@”%@”,json); NSMutableArray * referanceArray=[[NSMutableArray alloc]init]; NSMutableArray * periodArray=[[NSMutableArray alloc]init]; NSArray … Read more
[ad_1] Your messagereturn() and greet() functions are declared as returning bool values, but neither one of them actually returns anything, so the values are random. Since you are sending the return values to std::cout, but the functions send their own messages to std::cout directly, they should not be returning any bool values at all. Also, … Read more
[ad_1] if you wants to pass data from ViewControlerOne to ViewControllerTwo try these.. do these in ViewControlerOne.h @property (nonatomic, strong) NSString *str1; do these in ViewControllerTwo.h @property (nonatomic, strong) NSString *str2; Synthesize str2 in ViewControllerTwo.m @interface ViewControllerTwo () @end @implementation ViewControllerTwo @synthesize str2; do these in ViewControlerOne.m – (void)viewDidLoad { [super viewDidLoad]; // Data or … Read more
[ad_1] you should do like this, hope this will work for you. from django import forms TEST_TYPE_CHOICES = [ (‘HDFS’, ‘HDFS’), (‘HIVE’, ‘HIVE’), (‘BOTH’, ‘Both of HDFS and HIVE’),] class TestForm(forms.Form): # hdfs_test = forms.MultipleChoiceField() # hive_test = forms.MultipleChoiceField() # hdfs_hive_test = forms.MultipleChoiceField() test_type = forms.MultipleChoiceField(required=True, widget=forms.RadioSelect(), choices=TEST_TYPE_CHOICES) event_textarea = forms.Textarea(attrs={‘rows’: ‘8’, ‘class’: ‘form-control’, ‘placeholder’: … Read more
[ad_1] If you want the first element of an array, you should use reset. This function sets the pointer to the first element and returns it. $firstValue = reset($value[‘record’][‘records’]); Edit.. after reading your question again, it seems, you dont want the first element. You rather want this if (isset($value[‘record’][‘records’][0]) && is_array($value[‘record’][‘records’][0])) { // multiple return … Read more
[ad_1] What you are trying to do is not possible with plain TCP. TCP works on plain IP-Addresses without domains. To explain what is going on: When you are establishing a connection to, e.g. example.com, first of all a DNS Lookup for example.com is done. In this case, the DNS Lookup would result in 93.184.216.34. … Read more
[ad_1] you can try this SELECT Department.DeptName, COUNT(Employee.FName) AS EmpCount FROM Employee INNER JOIN Department ON Employee.DeptId = Department.ID GROUP BY Department.DeptName order by EmpCount 2 [ad_2] solved SQL query to list department names in descending order of employee count
[ad_1] Try changing this new_student_student_previous_datum_path(@student) to new_student_student_previous_datum_path(student_id: @student.id) if it still throws the error, paste me the complete routing error. UPDATE: the error is in the view this url for the form currently is This one is generating the error of the :action : “show” change it for new_student_student_previous_datum_path(@student) <%= bootstrap_form_for(@student_previous_data, :url => new_student_student_previous_datum_path(@student), html: … Read more
[ad_1] use php explode $estimate=”123456/5″; print_r (explode(“https://stackoverflow.com/”,$estimate)); $arr=explode(“https://stackoverflow.com/”,$estimate); echo $arr[1]; 5 [ad_2] solved How can i extracted the information after / [closed]
[ad_1] You need to join those two dataframes to perform multiplication of two columns. merged_df = segmentallocation.merge(second,on=[‘year’,’month’],how=’left’,suffixes=[”,’_second’]) for c in interested_columns: merged_df[‘allocation’+str(c)] = merged_df[‘%of allocation’+str(c)] * merged_df[c] merged_df year month segment x y z k %of allocationx %of allocationy %of allocationz %of allocationk x_second y_second z_second k_second allocationx allocationy allocationz allocationk 0 2018 FEB A … Read more
[ad_1] There is no garbage collector in either language. At least, not as part of standard compliant implementations. Note that C++ had language restrictions which made it hard to implement garbage collection. Some of those rules have been relaxed in the latest standard, C++11. So in principle it would be possible to implement a standards … Read more
[ad_1] XOR, p ^ q, can be expressed using the and (&), or (|), and not/invert (~) bitwise operators as (p & q) | ~(p & q) (see Wikipedia’s exclusive or article). Hence, we can now simulate an XOR with the other bitwise operators to do the usual swap. int x = 1; int y … Read more
[ad_1] def isn’t a function, it defines a function, and is one of the basic keywords in Python. For example: def square(number): return number * number print square(3) Will display: 9 In the above code we can break it down as: def – Tells python we are declaring a function square – The name of … Read more