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How do you allow spaces to be entered using scanf?
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People (and especially beginners) should never use scanf("%s") or gets() or any other functions that do not have buffer overflow protection, unless you know for certain that the input will always be of a specific format (and perhaps not even t...
is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
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Guava has a method that does something similar called MoreObjects.firstNonNull(T,T).
Integer x = ...
int y = MoreObjects.firstNonNull(x, -1);
This is more helpful when you have something like
int y = firstNonNull(calculateNullableValue(), -1);
since it saves you from...
Position Relative vs Absolute?
... regardless of what content passes through, under or over the element (visually).
The four positioning properties are:
top
right
bottom
left
To use them, you need to think of them as offset properties. In other words, an element positioned right: 2px is not moved right 2px. It's right side is o...
When should I use Memcache instead of Memcached?
...o seems to require external C/C++ libraries so I'm not sure if I can install it.
4 Answers
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How do sessions work in Express.js with Node.js?
Using Express.js , sessions are dead simple. I'm curious how they actually work though.
4 Answers
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How can I override inline styles with external CSS?
...e !important keyword to any CSS rule lets the rule forcefully precede over all the other CSS rules for that element.
It even overrides the inline styles from the markup.
The only way to override is by using another !important rule, declared either with higher CSS specificity in the CSS, or equa...
Can I stop 100% Width Text Boxes from extending beyond their containers?
...t padding/border in ‘px’ you think browsers will give the input. (Typically 6px for IE<8.)
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Composer Warning: openssl extension is missing. How to enable in WAMP
Trying to install Composer dependency management tool on Win7/64 + WampServer 2.2 via the Setup Installer and I am getting the following message:
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Is it correct to use alt tag for an anchor link?
...level-semantics.html#the-a-element
check "Content attributes", which lists all allowed attributes for the a element:
Global attributes
href
target
download
rel
hreflang
type
check the linked "Global attributes": https://www.w3.org/TR/html5/dom.html#global-attributes
As you...
Is it possible to set UIView border properties from interface builder?
...s, etc...) directly from interface builder or I can only do it programmatically?
10 Answers
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