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how to listen to N channels? (dynamic select statement)
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Maybe it's my incompetency, but I found this pattern really hard to work with when you are sending & receiving complex structures through the channel. Passing a shared "aggregate" channel, as Tim Allclair said, was much easier in my case.
– Bora M. Alper...
Convert audio files to mp3 using ffmpeg
... me, changing -b to -q absolutely butchers the sound. Using no options at all, or using the options presented in the answer, sound virtually the same as the source .wav.
– Michael Teter
Aug 5 '19 at 0:00
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Easy way to concatenate two byte arrays
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Additionally this is far easier when working with more than just 2 byte arrays.
– gardarh
Apr 17 '13 at 10:16
3
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node.js execute system command synchronously
... processes, but for general development utilities it gets things done. Install the library.
npm install node-ffi
Example script:
var FFI = require("node-ffi");
var libc = new FFI.Library(null, {
"system": ["int32", ["string"]]
});
var run = libc.system;
run("echo $USER");
[EDIT Jun 2012: Ho...
How do you compare structs for equality in C?
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if the 2 structures variable are initialied with calloc or they are set with 0 by memset so you can compare your 2 structures with memcmp and there is no worry about structure garbage and this will allow you to earn time
– MOHAMED
Oct 3...
How to determine total number of open/active connections in ms sql server 2005
My PHP/MS Sql Server 2005/win 2003 Application occasionally becomes very unresponsive, the memory/cpu usage does not spike. If i try to open any new connection from sql management studio, then the it just hangs at the open connection dialog box.
how to deterime the total number of active connectio...
My images are blurry! Why isn't WPF's SnapsToDevicePixels working?
..."True".
A property previously only available in Silverlight has now fixed all Bitmap sizing woes. :)
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Two inline-block, width 50% elements wrap to second line [duplicate]
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@PhilRicketts does this method not allow you to set a fixed height on the container? I tried and it does not work nor with the children.
– Jarg7
Jun 22 '16 at 7:04
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How do you performance test JavaScript code?
... a good way to get numbers, but in my experience, perceived performance is all that matters to the user/client. For example, we had a project with an Ext accordion that expanded to show some data and then a few nested Ext grids. Everything was actually rendering pretty fast, no single operation too...
VC窗口刷新InvalidateRect和UpdateWindow - C/C++ - 清泛网 - 专注C/C++及内核技术
...INT messages. If an application processes a WM_PAINT message but does not call BeginPaint or otherwise clear the update region, the application continues to receive WM_PAINT messages as long as the region is not empty. In all cases, an application must clear the update region before returning from t...