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Merge/flatten an array of arrays
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Ahh, I found your error. You have an extra pair of square brackets in your notation, should be [].concat([1],[2,3],[4],...).
– Ryan Kennedy
Aug 6 '13 at 15:27
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How to remove old Docker containers
...optionally, volumes, in one command.
For older Docker versions, you can string Docker commands together with other Unix commands to get what you need. Here is an example on how to clean up old containers that are weeks old:
$ docker ps --filter "status=exited" | grep 'weeks ago' | awk '{print $1...
How can I use different certificates on specific connections?
...eArrayInputStream derInputStream = new ByteArrayInputStream(app.certificateString.getBytes());
CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
X509Certificate cert = (X509Certificate) certificateFactory.generateCertificate(derInputStream);
String alias = "alias";//ce...
How does push notification technology work on Android?
...hone, used by all apps: installing a new app that uses GCM doesn't add any extra load.
The first step in GCM is that a third-party server (such as an email server) sends a request to Google's GCM server. This server then sends the message to your device, through that open connection. The Android sy...
Using union and order by clause in mysql
...organize.
But this way has the advantage of being fast, not introducing extra variables, and making it easy to separate out each query including the sort. The ability to add a limit is simply an extra bonus.
And of course feel free to turn the union all into a union and add a sort for the whole...
Why declare unicode by string in python?
...code characters into your file no matter what the encoding is; you can use string unicode escapes, which work in either encoding.
When you declare a string with a u in front, like u'This is a string', it tells the Python compiler that the string is Unicode, not bytes. This is handled mostly tran...
How to skip over an element in .map()?
...d should be skipped. I often come across arrays I want to map 98% of (eg: String.split() leaving a single, empty string at the end, which I don't care about). Thanks for your answer :)
– Alex McMillan
Oct 28 '15 at 2:54
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HttpClient.GetAsync(…) never returns when using await/async
...e Async calls in a Task.Run. So as I understand it, this is going to use 1 extra thread per request and avoids the deadlock. I assume that to be completely compliant, I need to use WebClient's sync methods. That is a lot of work to justify so I'll need a compelling reason not stick with my current a...
How to get an object's properties in JavaScript / jQuery?
...quired. To know the base class name, you may invoke the Object.prototype.toString method on an object, like this:
alert(Object.prototype.toString.call([]));
The above will output [object Array].
There are several other class names, like [object Object], [object Function], [object Date], [object ...
Is using a lot of static methods a bad thing?
...llowing:
public static class ResourceLoader
{
public static void Init(string _rootPath) { ... etc. }
public static void GetResource(string _resourceName) { ... etc. }
public static void Quit() { ... etc. }
}
public static class TextureManager
{
private static Dictionary<string,...