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Visual Studio Expand/Collapse keyboard shortcuts [duplicate]
...code file open, I can press CTRL + M or CTRL + M + O to collapse all code blocks, regions, namespaces, etc.
7 Ans...
Can TCP and UDP sockets use the same port?
First of all, is there any problem with using both UDP and TCP on the same server?
2 Answers
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How to detect the currently pressed key?
...thing, you haven't answered the question properly. The OP is asking about all keys and used the Shift key as an example only. So how do you detect other keys such as A to Z, 0 to 9 etc.
– Ash
Dec 18 '09 at 10:03
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Can I mix Swift with C++? Like the Objective-C .mm files
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No. When you switch from .m to .mm you are actually switching from Objective-C to a different language (which has many subtle differences) called Objective-C++. So you're not really using C++; you're using Objective-C++ which accepts most C++ as input (in the same way tha...
Vim: How to change the highlight color for search hits and quickfix selection
...o need to :set hlsearch if your search results aren't being highlighted at all.
– Jeff Allen
Jan 23 '15 at 13:56
To do...
Quickly create a large file on a Linux system
... it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast:
For example:
fallocate -l 10G gentoo_root.img
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Map a network drive to be used by a service
...ve mappings are only restored on an interactive logon, which services typically don't perform.
The helper process approach can be pretty simple: just create a new service that maps the drive and starts the 'real' service. The only things that are not entirely trivial about this are:
The helper se...
how to release localhost from Error: listen EADDRINUSE
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Thanks. This was what i needed. I had pm2 installed which autostarts node app when its closed. I had to disable pm2 to autostart node.
– KlevisGjN
Feb 24 '17 at 17:28
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Difference between freeze and seal
...d vice versa), and no attribute of accessor descriptors can be modified at all (whereas data descriptors can change their writable attribute, and their value attribute if writeable is true).
Can throw a TypeError when attempting to modify the value of the sealed object itself (most commonly in stric...
Android Camera Preview Stretched
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public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback {
private static final String TAG = "CameraPreview";
private Context mContext;
private SurfaceHolder mHolder;
private Camera mCamera;
private List<Camera.Size> mSupportedPreviewSizes;
p...