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Check whether a string matches a regex in JS
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Use test() method :
var term = "sample1";
var re = new RegExp("^([a-z0-9]{5,})$");
if (re.test(term)) {
console.log("Valid");
} else {
console.log("Invalid");
}
share
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How to change the docker image installation directory?
...min/systemd explains how to configure Docker with systemd, which works for newer linux distribution such as Ubuntu 16.04.
– Joseph Hui
Jun 26 '16 at 10:43
6
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Get last record in a queryset
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If using django 1.6 and up, its much easier now as the new api been introduced -
Model.object.earliest()
It will give latest() with reverse direction.
p.s. - I know its old question, I posting as if going forward someone land on this question, they get to know this new featur...
In Flux architecture, how do you manage Store lifecycle?
...heir state has changed, so Controller-Views can know when to query for the new state, using the getters.
In your example app, there would be a single PostStore. This same store could manage the posts on a "page" (pseudo-page) that is more like FB's Newsfeed, where posts appear from different users...
Is it possible to specify the schema when connecting to postgres with JDBC?
...se command line.
Update
As of JDBC v9.4 you can specify the url with the new currentSchema parameter like so:
jdbc:postgresql://localhost:5432/mydatabase?currentSchema=myschema
Appears based on an earlier patch:
http://web.archive.org/web/20141025044151/http://postgresql.1045698.n5.nabble.com/...
Espresso: Thread.sleep( );
...static ViewAction waitId(final int viewId, final long millis) {
return new ViewAction() {
@Override
public Matcher<View> getConstraints() {
return isRoot();
}
@Override
public String getDescription() {
return "wait for a spec...
git: updates were rejected because the remote contains work that you do not have locally
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Wow...I never knew that. But it makes a lot of sense now. The master branch was also incorrect, so your answer clears my whole question. I'm still a bit new to git. Thanks a lot for telling me the difference between those two!
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How to quickly check if folder is empty (.NET)?
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There is a new feature in Directory and DirectoryInfo in .NET 4 that allows them to return an IEnumerable instead of an array, and start returning results before reading all the directory contents.
What's New in the BCL in .NET 4 Beta...
How do I make the method return type generic?
...hout any additional type safety. Consider this:
jerry.addFriend("quaker", new Duck());
jerry.callFriend("quaker", /* unused */ new Dog()); // dies with illegal cast
In this specific case, creating an abstract talk() method and overriding it appropriately in the subclasses would serve you much bet...
Is there a good Valgrind substitute for Windows?
...tion OSS or free tools here.
1. MemCheck:
Dr. Memory. It is a relatively new tool, works very well on Windows 7. My favorite feature is that it groups the same leaks' allocation stacks in the report.
http://code.google.com/p/drmemory/
I have also used UMDH( http://support.microsoft.com/kb/268343...