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Scala: join an iterable of strings
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Python regular expressions return true/false
...e.match() or re.search().
Python offers two different primitive operations based on regular expressions: re.match() checks for a match only at the beginning of the string, while re.search() checks for a match anywhere in the string (this is what Perl does by default). refer this
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Can I add comments to a pip requirements file?
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Precedence and bitmask operations
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git error: failed to push some refs to remote
...to it, while you were working locally, I would advise using:
git pull --rebase
git push
The full syntax is:
git pull --rebase origin master
git push origin master
With Git 2.6+ (Sept. 2015), after having done (once)
git config --global pull.rebase true
git config --global rebase.autoStash tru...
Capturing mobile phone traffic on Wireshark
...a non-existent option. From their page: "You will need [...] and a RTL8187 based wireless NIC"!!!!
– matteo
Aug 22 '14 at 22:20
1
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What is “android:allowBackup”?
.../backup/signup.html
The type of data that can be backed up are files, databases, sharedPreferences, cache, and lib. These are generally stored in your device's /data/data/[com.myapp] directory, which is read-protected and cannot be accessed unless you have root privileges.
UPDATE:
You can see thi...
How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?
... block then you should use async/await and probably also some ajax that is based on promises like the new Fetch API
async function foo() {
var res = await fetch(url)
console.log(res.ok)
var json = await res.json()
console.log(json)
}
Edit
chrome is working on Disallowing sync XHR in page ...
How do I check if an element is hidden in jQuery?
...idden = $('#myDiv').is(':hidden');
If you're simply acting on an element based on its visibility, you can just include :visible or :hidden in the selector expression. For example:
$('#myDiv:visible').animate({left: '+=200px'}, 'slow');
...
How can I inject a property value into a Spring Bean which was configured using annotations?
...his in Spring 3 using EL support. Example:
@Value("#{systemProperties.databaseName}")
public void setDatabaseName(String dbName) { ... }
@Value("#{strategyBean.databaseKeyGenerator}")
public void setKeyGenerator(KeyGenerator kg) { ... }
systemProperties is an implicit object and strategyBean is ...