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Adjust UILabel height to text
...))
label.numberOfLines = 0
label.lineBreakMode = NSLineBreakMode.byWordWrapping
label.font = font
label.text = text
label.sizeToFit()
return label.frame.height
}
let font = UIFont(name: "Helvetica", size: 20.0)
var height = heightForView("This is just a load of text", font...
Does free(ptr) where ptr is NULL corrupt memory?
...elete a NULL pointer. No operation will be performed in that case.In other words free() does nothing on a NULL pointer.
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What's the scope of a variable initialized in an if statement?
...efore the condition, like it would be in C or Java, for example.
In other words, Python does not have block-level scopes. Be careful, though, with examples such as
if False:
x = 3
print(x)
which would clearly raise a NameError exception.
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How to disable admin-style browsable interface of django-rest-framework?
...le the accepted answer to this question does answer the question as it was worded, I feel that it does not solve the actual issue at hand.
For completeness in this answer, disabling the browseable HTML api is done by removing it from the renderer classes like so:
REST_FRAMEWORK = {
'DEFAULT_R...
Import CSV to SQLite
...e groups multiple columns together, check that you aren't using a reserved word such as type for a CSV column name.
– paulvs
Oct 15 '16 at 18:05
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How can we match a^n b^n with Java regex?
...The anchor ensures that there aren't any extra b's in the string; in other words, that in fact we have anbn.
Here's the finalized pattern, with additional test cases, including one that's 10,000 characters long:
$tests = array(
'aaa', 'aaab', 'aaaxb', 'xaaab', 'b', 'abbb', 'aabb', 'aaabbbbb', 'aaa...
How to convert float to int with Java
...
@prosfilaes I've changed the wording & added a wiki link to that part of the answer.
– user719662
Oct 6 '19 at 9:37
add a com...
What is the 'override' keyword in C++ used for? [duplicate]
I am a beginner in C++. I have come across override keyword used in the header file that I am working on. May I know, what is real use of override , perhaps with an example would be easy to understand.
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Java RegEx meta character (.) and ordinary dot?
...ple \< is interpreted as a literal < in Perl, but in egrep it means "word boundary".
So write -?\d+\.\d+\$ to match 1.50$, -2.00$ etc. and [(){}[\]] for a character class that matches all kinds of brackets/braces/parentheses.
If you need to transform a user input string into a regex-safe for...
How to solve PHP error 'Notice: Array to string conversion in…'
...echo that array - this will not work, but instead emit that notice and the word "Array".
Depending on what you did with the rest of the code, you should probably use echo $_POST['C'][0];
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