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SQL 2022-02-22 23:30:02
what is denormalization in sql
Denormalization is a strategy used on a previously-normalized database to increase performance. In computing, denormalization is the process of trying to improve the read performance of a database, at the expense of losing some write performance, by ... Add solution -
C++ 2022-02-22 16:50:05
quicksort in code
// A full c++ quicksort algorithm no bs // quicksort in code #include <iostream> using namespace std; void QuickSort(int arr[], int start, int end); int Partition(int arr[], int start, int end); void SwapArrMem(int arr[], int a, int b); int main... Add solution -
Python 2022-02-21 06:20:05
best algorithm for classification
for clf in classifiers: clf.fit(X_train, y_train) y_pred= clf.predict(X_test) acc = accuracy_score(y_test, y_pred) print("Accuracy of %s is %s"%(clf, acc)) cm = confusion_matrix(y_test, y_pred) print("Confusion Matrix of %... Add solution -
VBA 2022-02-19 18:50:09
vba translate text
'Here is a VBA User Defined Function to translate text in an Excel cell. It 'uitlizes Google Translate and thus requires an Internet connection: Function Translate$(sText$, FromLang$, ToLang$) Dim p1&, p2&, url$, resp$ Const DIV_RESULT$ ... Add solution -
Other 2022-02-18 23:50:19
attributeerror:'disabledbackend' object has no attribute '_get_task_meta_for'
To start Celery you need to provide just broker parameter, which is required to send messages about tasks. If you want to retrieve information about state and results returned by finished tasks you need to set backend parameter. You can find full list wi... Add solution -
PHP 2022-02-18 21:45:54
debian php switch version
// Apache: sudo a2dismod php5.6 php7.1 php7.0 ## Shows error for modules not installed sudo a2enmod php7.4 sudo service apache2 restart // In case of issues disabling some modules use the following syntax sudo a2dismod mpm_prefork //-----------------... Add solution -
Python 2022-02-18 18:05:10
how to set class attributes with kwargs python
# In parent Class def __init__(self, attributes): for key, value in attributes.items(): self.__dict__[key] = value # In child Class def __init__(self, **kwargs): attributes = {k:v for k,v in kwargs.items() if v} super().__init__(attributes) Add solution -
Python 2022-02-18 14:40:06
_pickle.UnpicklingError: the STRING opcode argument must be quoted python
original = "word_data.pkl" destination = "word_data_win10.pkl" content = '' outsize = 0 with open(original, 'rb') as infile: content = infile.read() with open(destination, 'wb') as output: for line in content.splitli... Add solution
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