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AngularJS: How to clear query parameters in the URL?
...ct the user back to my webapp and include a "code" query param in the URL. It's a traditional Oauth 2.0 flow.
16 Answers
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How should I validate an e-mail address?
...e an e-mail to just send a confirmation e-mail to the address provided and it it bounces then it's not valid.
If you want to perform some basic checks you could just check that it's in the form *@*
If you have some business logic specific validation then you could perform that using a regex, e.g. ...
What do querySelectorAll and getElementsBy* methods return?
... other getElementsBy* methods return an array-like collection of elements. Iterate over it like you would with a real array:
var elems = document.getElementsByClassName('myElement');
for(var i = 0; i < elems.length; i++) {
elems[i].style.size = '100px';
}
If you prefer something shorter, c...
applicationWillEnterForeground vs. applicationDidBecomeActive, applicationWillResignActive vs. appli
...when an application is waking up from being in the background and you want it to prep it to be active?
7 Answers
...
Two way sync with rsync
...uto dirA/ dirB/
unison -batch dirA/ dirB/ asks no questions at all, and writes to output how many files were ignored (because they conflicted).
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Difference between break and continue in PHP?
...
break ends a loop completely, continue just shortcuts the current iteration and moves on to the next iteration.
while ($foo) { <--------------------┐
continue; --- goes back here --┘
break; ----- jumps here ----┐
} |
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Read text file into string array (and write)
The ability to read (and write) a text file into and out of a string array is I believe a fairly common requirement. It is also quite useful when starting with a language removing the need initially to access a database. Does one exist in Golang?
e.g.
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Order data frame rows according to vector with specific order
...ame),]
name value
2 b TRUE
3 c FALSE
1 a TRUE
4 d FALSE
It will work as long as your target contains exactly the same elements as df$name, and neither contain duplicate values.
From ?match:
match returns a vector of the positions of (first) matches of its first argument
in its ...
How to make my font bold using css?
...follow
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edited Mar 29 '12 at 10:20
Mathias Bynens
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Delete keychain items when an app is uninstalled
...mple:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
//Clear keychain on first run in case of reinstallation
if (![[NSUserDefaults standardUserDefaults] objectForKey:@"FirstRun"]) {
// Delete values from keychain here
...