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How to check if a number is a power of 2
...nswered Aug 25 '10 at 19:53
deft_codedeft_code
49.2k2525 gold badges132132 silver badges210210 bronze badges
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How do I convert a double into a string in C++?
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The boost (tm) way:
std::string str = boost::lexical_cast<std::string>(dbl);
The Standard C++ way:
std::ostringstream strs;
strs << dbl;
std::string str = strs.str();
Note: Don't forget #include <sstream>
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Split string in Lua?
...%s, like %D is the negation of %d. Additionally, %w is equal to [A-Za-z0-9_] (other characters might be supported depending on your locale).
– Lars Gyrup Brink Nielsen
Jan 2 '14 at 22:00
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How to read a large file - line by line?
...object, Python looks up in the list of object methods a special one called __iter__, which tells it what to do. File objects define this special method to return an iterator over the lines. (Roughly.)
– Katriel
Feb 10 '15 at 12:14
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“Collection was mutated while being enumerated” on executeFetchRequest
...nator:[self.managedObjectContext persistentStoreCoordinator]];
...in the _importData method (just before to register the controller as observer for the notification) solves the problem.
Thanks for your help, Peter. And thanks to Fred McCann's for its valuable blog post !
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Is there a way to only install the mysql client (Linux)?
...ll the server component as it will try to install mariadb: mariadb.x86_64 : A community developed branch of MySQL
– berniey
May 18 '16 at 21:08
3
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Getting a Custom Objects properties by string var [duplicate]
...something to work for nested objects and you can use lodash something like _.map([object], _.property(propertyPath))[0]; would work.
– bobwah
Mar 23 '17 at 10:24
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Copy data into another table
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Insert Selected column with condition
INSERT INTO where_to_insert (col_1,col_2) SELECT col1, col2 FROM from_table WHERE condition;
Copy all data from one table to another with the same column name.
INSERT INTO where_to_insert
SELECT * FROM from_table WHERE condition;
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How to display the default iOS 6 share action sheet with available share options?
...)sender {
NSLog(@"shareButton pressed");
NSString *texttoshare = _txt; //this is your text string to share
UIImage *imagetoshare = _img; //this is your image to share
NSArray *activityItems = @[texttoshare, imagetoshare];
UIActivityViewController *activityVC = [[UIActivityV...
How to convert 'binary string' to normal string in Python3?
For example, I have a string like this(return value of subprocess.check_output ):
3 Answers
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