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How to dynamically compose an OR query filter in Django?

... with a list # of db fields that can change like the following # list_with_strings = ['dbfield1', 'dbfield2', 'dbfield3'] # init our q objects variable to use .add() on it q_objects = Q(id__in=[]) # loop trough the list and create an OR condition for each item for item in list: q_objects.add(Q...
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UITextView style is being reset after setting text property

...ITextView (XcodeSetTextFormattingBugWorkaround) - (void)setSafeText:(NSString *)textValue; @end implementation @implementation UITextView (XcodeSetTextFormattingBugWorkaround) - (void)setSafeText:(NSString *)textValue { BOOL selectable = [self isSelectable]; [self setSelectable:YES]; ...
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What are the best practices for SQLite on Android?

... new AtomicInteger(0); public DBSQLiteOpenHelper(Context context, String name, int version, DatabaseManager databaseManager) { super(context, name, null, version); this.databaseManager = databaseManager; } public void addConnection(){ cou...
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How do I pass multiple parameters into a function in PowerShell?

If I have a function which accepts more than one string parameter, the first parameter seems to get all the data assigned to it, and remaining parameters are passed in as empty. ...
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Non-alphanumeric list order from os.listdir()

... You can use the builtin sorted function to sort the strings however you want. Based on what you describe, sorted(os.listdir(whatever_directory)) Alternatively, you can use the .sort method of a list: lst = os.listdir(whatever_directory) lst.sort() I think should do the...
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Get hours difference between two dates in Moment Js

...roach for me, as I don't need to calculate the hours/days/months/years-ago-strings myself and it is just one line! Thank you!! – krankuba Aug 6 at 4:57 ...
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Combine two or more columns in a dataframe into a new column with a new name

...t for example is like: A - B instead of A-B. Is it possible to remove this extra space? – Chetan Arvind Patil Oct 6 '17 at 2:35 9 ...
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Convert to absolute value in Objective-C

...+ programs too.) (Alas, there is no habs(short) function. Or scabs(signed char) for that matter...) Apple's and GNU's Objective-C headers also include an ABS() macro which is type-agnostic. I don't recommend using ABS() however as it is not guaranteed to be side-effect-safe. For instance, ABS(a+...
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Unable to generate an explicit migration in entity framework

...ure to check your startup project is one with your db context's connection string. I had this problem when I temporarily changed my startup project and didn't realize that the other project didn't have the same connection string. – Gage Trader Aug 3 '16 at 21:5...
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Detect URLs in text with JavaScript

Does anyone have suggestions for detecting URLs in a set of strings? 13 Answers 13 ...