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When to use an assertion and when to use an exception
Most of the time I will use an exception to check for a condition in my code, I wonder when it is an appropriate time to use an assertion?
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How can I use “sizeof” in a preprocessor macro?
...; otherwise they will produce a compile-time error.
1. C11 way
Starting with C11 you can use static_assert (requires #include <assert.h>).
Usage:
static_assert(sizeof(someThing) == PAGE_SIZE, "Data structure doesn't match page size");
2. Custom macro
If you just want to get a compile-ti...
HttpClient.GetAsync(…) never returns when using await/async
Edit: This question looks like it might be the same problem, but has no responses...
6 Answers
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How to 'git pull' into a branch that is not the current one?
When you run git pull on the master branch, it typically pulls from origin/master . I am in a different branch called newbranch , but I need to run a command that does a git pull from origin/master into master but I cannot run git checkout to change the selected branch until after the...
CSS text-transform capitalize on all caps
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There is no way to do this with CSS, you could use PHP or Javascript for this.
PHP example:
$text = "ALL CAPS";
$text = ucwords(strtolower($text)); // All Caps
jQuery example (it's a plugin now!):
// Uppercase every first letter of a word
jQuery.f...
Can JavaScript connect with MySQL?
Can JavaScript connect with MySQL? If so, how?
18 Answers
18
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How does Bluebird's util.toFastProperties function make an object's properties “fast”?
In Bluebird's util.js file , it has the following function:
1 Answer
1
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invalid context 0x0 under iOS 7.0 and system degradation
...o reproduce in iOS 7. In fact, I can reproduce the error using storyboard with zero code. I drag a UITextField onto the canvas in IB, run the app, and double tap inside the text field.
In many situations, it's hard for me to take the invalid context 0x0 error messages seriously. I don't know if yo...
Does return stop a loop?
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Yes, return stops execution and exits the function. return always** exits its function immediately, with no further execution if it's inside a for loop.
It is easily verified for yourself:
function returnMe() {
for (var i = 0; i < 2; i++) {
if (i...
git difftool, open all diff files immediately, not in serial
The default git diff behavior is to open each diff file in serial (wait for previous file to be closed before opening next file).
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