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How to append a char to a std::string?
The following fails with the error prog.cpp:5:13: error: invalid conversion from ‘char’ to ‘const char*’
13 Answer...
Django datetime issues (default=datetime.now())
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it looks like datetime.now() is being evaluated when the model is defined, and not each time you add a record.
Django has a feature to accomplish what you are trying to do already:
date = models.DateTimeField(auto_now_add=T...
Equals(=) vs. LIKE
When using SQL, are there any benefits of using = in a WHERE clause instead of LIKE ?
15 Answers
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How can I delete a service in Windows?
...pt as an administrator, not just logged in as the administrator, but also with administrative rights. If you get errors above about not having the necessary access rights to stop and/or delete the service, run the command prompt as an administrator. You can do this by searching for the command promp...
Any equivalent to .= for adding to beginning of string in PHP?
...repend and $chunk would be the text that you want something prepended onto it.
You could say the checks are optional, but by having that in there you don't need to worry about passing in a null value by accident.
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How to convert a dictionary to query string in Python?
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edited Jan 10 '19 at 18:23
Nick T
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Remove multiple whitespaces
...getting $row['message'] from a MySQL database and I need to remove all whitespace like \n \t and so on.
15 Answers
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How many double numbers are there between 0.0 and 1.0?
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Java doubles are in IEEE-754 format, therefore they have a 52-bit fraction; between any two adjacent powers of two (inclusive of one and exclusive of the next one), there will therefore be 2 to the 52th power different doubles (i.e., 4503599627370496 of them). For example, that's the nu...
jQuery UI datepicker change event not caught by KnockoutJS
I'm trying to use KnockoutJS with jQuery UI. I have an input element with a datepicker attached. I'm currently running knockout.debug.1.2.1.js and it seems that the change event is never being caught by Knockout. The element looks like this:
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Laravel - Eloquent or Fluent random row
... records
// 5 indicates the number of records
User::inRandomOrder()->limit(5)->get();
// get one random record
User::inRandomOrder()->first();
or using the random method for collections:
User::all()->random();
User::all()->random(10); // The amount of items you wish to receive
Larav...