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Differences between ExpandoObject, DynamicObject and dynamic
...the API but the why behind the API ? e.g. Why doesn't ExpandoObject derive from DynamicObject, which looks the defacto base type for ruby's 'method_missing' based programming.
– Gishu
Jun 14 '12 at 6:26
...
Escaping quotes and double quotes
...mportant issue that since v3 you can use --% to stop the PowerShell parser from doing anything with your parameters:
\\server\toto.exe --% -batch=b -param="sort1;paramtxt='Security ID=1234'"
... should work fine there (with the same assumption).
...
How can I reverse a NSArray in Objective-C?
...rse any NSMutableArray in place:
/* Algorithm: swap the object N elements from the top with the object N
* elements from the bottom. Integer division will wrap down, leaving
* the middle element untouched if count is odd.
*/
for(int i = 0; i < [array count] / 2; i++) {
int j = [array co...
What is the difference between SessionState and ViewState?
...n the page.
Session state is usually cleared after a period of inactivity from the user (no request happened containing the session id in the request cookies).
The view state is posted on subsequent post back in a hidden field.
...
Git merge reports “Already up-to-date” though there is a difference
...
The message “Already up-to-date” means that all the changes from the branch you’re trying to merge have already been merged to the branch you’re currently on. More specifically it means that the branch you’re trying to merge is a parent of your current branch. Congratulations, t...
How to concatenate string variables in Bash
... be done as well - the point is making sure the variable name is separated from the non-variable-name parts so that it parses correctly.
– twalberg
Dec 10 '14 at 3:57
...
Difference between app.use and app.get in express.js
..., but nobody does a great job of explaining how they function differently. From what I can gather, all .use handlers run first, and .use matches any path that begins with the specified path (i.e. .use('/', ...) and .get('/*', ...) would match the same paths). For me it's easier to understand the ove...
MVC (Laravel) where to add logic
...r update the vote count of a post? What if you need to send the same email from another place in your code? Do you create a static method? What if that emails needs information from another model?
I think the model should represent an entity. With Laravel, I only use the model class to add things l...
When should one use RxJava Observable and when simple Callback on Android?
...e<Photo> call(List<Photo> photos) {
return Observable.from(photos);
}
})
.filter(new Func1<Photo, Boolean>() {
@Override
public Boolean call(Photo photo) {
return photo.isPNG();
}
})
.subscribe(
new Action1<Photo>() {
@Override
...
How to validate an email address in JavaScript
...essions is probably the best way. You can see a bunch of tests here (taken from chromium)
function validateEmail(email) {
const re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,})...