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Why is Go so slow (compared to Java)?

... Go implementations are forbidden to pre-empt :-) The issue was compounded by the fact that by default Go used only a single host thread no matter how many goroutines were runnable. – Steve Jessop Mar 16 '12 at 18:22 ...
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Failed binder transaction when putting an bitmap dynamically in a widget

.... Unfortunately this bundle has a very small size limit. You can solve it by scaling down the image size this way: public static Bitmap scaleDownBitmap(Bitmap photo, int newHeight, Context context) { final float densityMultiplier = context.getResources().getDisplayMetrics().density; i...
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When is TCP option SO_LINGER (0) required?

...we already have such an application and it grows, then we can make it work by tuning twe linger. You change one param, and you suddenly have working application, without investing a budget to implement new architecture. – bartosz.r Oct 29 '12 at 11:09 ...
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How to urlencode data for curl command?

... be CGI-compliant, the <data> part should begin with a name followed by a separator and a content specification. Example usage: curl \ --data-urlencode "paramName=value" \ --data-urlencode "secondParam=value" \ http://example.com See the man page for more info. This requires ...
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Git: How to return from 'detached HEAD' state

... discard any commits you make in this state without impacting any branches by performing another checkout. If you want to create a new branch to retain commits you create, you may do so (now or later) by using -b with the checkout command again. Example: git checkout -b <new-branch-name> ...
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docker error: /var/run/docker.sock: no such file or directory

...g boot2docker as every command passed into the boot2docker VM runs as root by default. You're seeing the error when you're running as sudo because sudo doesn't have the DOCKER_HOST env set, only your user does. You can confirm this by doing a: $ env Then a $ sudo env And looking for DOCKER_H...
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Difference between classification and clustering in data mining? [closed]

... you want to see whether some set of items form some kind of relationship (by being closer together in some model). You normally don't find classes (if you think that you use clustering to find classes for classification). That is not the case. Instead, you have a training set at the beginning which...
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Get timezone from DateTime

... This project is no longer maintained by the author; publicdomain.codeplex.com It seems like maybe this one might help, depending on the usage, one has to set it before using it; timezone.codeplex.com – AnneTheAgile Jan 9 ...
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Programmatically trigger “select file” dialog box

...ly if you do it in an event handler belonging to an event THAT WAS STARTED BY THE USER! So, for example, nothing will happen if you, the script, programmatically click the button in an ajax callback, but if you put the same line of code in an event handler that was raised by the user, it will work....
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Help with C# generics error - “The type 'T' must be a non-nullable value type”

...t; means, and realise that it doesn't already have the constraint required by Nullable<T> itself. In other words, you could try to call: CoalesceMax<string>(...) which wouldn't make sense, as Nullable<string> isn't valid. ...