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What's a good way to overwrite DateTime.Now during testing?
... in providing the clock to the class that relies on it, but that could be handled by any number of dependency injection solutions (using an Inversion of Control container, plain old constructor/setter injection, or even a Static Gateway Pattern).
Other mechanisms of delivering an object or method t...
Will Dispose() be called in a using statement with a null object?
... Note that even if your variable is null, the using block is executed, and if you reference your variable inside the using block without first null-checking it, you WILL get NullReferenceException. To prevent misinterpretation, this answer should state: "Yes, Dispose() is only called on non-null...
Remove Object from Array using JavaScript
... no elements in the array that match the condition findIndex will return -1and putting this directly into splice will result in an arbitraty deletion of the last element in the array.
– jdnz
Feb 19 at 10:06
...
MySQL, better to insert NULL or empty string?
...a lot of different fields. Some of the fields are optional while some are mandatory. In my DB I have a table which holds all these values, is it better practice to insert a NULL value or an empty string into the DB columns where the user didn't put any data?
...
How do I deal with certificates using cURL while trying to access an HTTPS url?
...lated to a missing package: ca-certificates. Install it.
In Ubuntu Linux (and similar distro):
# apt-get install ca-certificates
In CygWin via Apt-Cyg
# apt-cyg install ca-certificates
In Arch Linux (Raspberry Pi)
# pacman -S ca-certificates
The documentation tells:
This package incl...
Java “params” in method signature?
...
In Java it's called varargs, and the syntax looks like a regular parameter, but with an ellipsis ("...") after the type:
public void foo(Object... bar) {
for (Object baz : bar) {
System.out.println(baz.toString());
}
}
The vararg param...
“int main (vooid)”? How does that work?
I recently had to type in a small C test program and, in the process, I made a spelling mistake in the main function by accidentally using vooid instead of void .
...
How do I lock the orientation to portrait mode in a iPhone Web Application?
I'm building a iPhone Web Application and want to lock the orientation to portrait mode. is this possible? Are there any web-kit extensions to do this?
...
CSS: transition opacity on mouse-out?
...
You're applying transitions only to the :hover pseudo-class, and not to the element itself.
.item {
height:200px;
width:200px;
background:red;
-webkit-transition: opacity 1s ease-in-out;
-moz-transition: opacity 1s ease-in-out;
-ms-transition: opacity 1s ease-in-out;
...
How to compile a 32-bit binary on a 64-bit linux machine with gcc/cmake
Is it possible to compile a project in 32-bit with cmake and gcc on a 64-bit system? It probably is, but how do I do it?
...