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Good or bad practice? Initializing objects in getter
...zy-initialization for primitive data type or simple class use like List<string>.
Before Commenting about Lazy
Lazy<T> was introduced in .NET 4.0, so please don't add yet another comment regarding this class.
Before Commenting about Micro-Optimizations
When you are building libraries, you...
What is the difference between JDK and JRE?
...e from a debugging perspective:
To debug into Java system classes such as String and ArrayList, you need a special version of the JRE which is compiled with "debug information". The JRE included inside the JDK provides this info, but the regular JRE does not. Regular JRE does not include this info ...
Sass calculate percent minus px
... values are in variables, you may need to use interpolation turn them into strings (otherwise Sass just tries to perform arithmetic):
$a: 25%;
$b: 5px;
.foo {
width: calc(#{$a} - #{$b});
}
share
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slf4j: how to log formatted message, object array, exception
...not recognize that in your example you used n=3 placeholders in the format string and n+1=4 elements in the object array. I had n placeholders in the format string and also n elements in the object array plus an exception as third parameter. My expectation was that the exception would be printed wit...
What is size_t in C?
... negative. For example, strlen() returns a size_t because the length of a string has to be at least 0.
In your example, if your loop index is going to be always greater than 0, it might make sense to use size_t, or any other unsigned data type.
When you use a size_t object, you have to make sure ...
Is duplicated code more tolerable in unit tests?
...ps you need some Custom Assertions. For example, if multiple tests have a string of assertions like:
assertEqual('Joe', person.getFirstName())
assertEqual('Bloggs', person.getLastName())
assertEqual(23, person.getAge())
Then perhaps you need a single assertPersonEqual method, so that you can wri...
How to study design patterns? [closed]
...reading about them. Take some sample implementations that you find online and build up around them.
A great resource is the Data & Object Factory page. They go over the patterns, and give you both conceptual and real world examples. Their reference material is great, too.
...
How to find available versions for a bower dependency
...ecific to a package. bower search prints all packages that has the query string as a substring.
– Yiling
Aug 29 '15 at 16:15
...
Are HTTPS URLs encrypted?
...story or not. You can make a URL unguessable by including a longish random string in it, but if it's a public URL then the attacker can tell that it has been visited, and if it has a short secret in it, then an attacker could brute-force that at reasonable speed.
– Steve Jessop...
java.lang.IllegalStateException: Cannot (forward | sendRedirect | create session) after response has
...lled in the very same method.
protected void doXxx() {
out.write("some string");
// ...
forward(); // Fail!
}
The response buffer size defaults in most server to 2KB, so if you write more than 2KB to it, then it will be committed and forward() will fail the same way:
java.lang.Illegal...