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What exactly is Heroku?
... - 70 requests per second.
Heroku competitors are:
OpenShift by Red Hat
Windows Azure
Amazon Web Services
Google App Engine
VMware
HP Cloud Services
Force.com
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What techniques can be used to define a class in JavaScript, and what are their trade-offs?
...ord, this will refer to the calling context, by default the global object (window). In strict mode, undefined is the default. call, apply and bind takes calling context as first parameter. developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Elias Hasle
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How to loop over files in directory and change path and add suffix to filename
...
Looks like you're trying to execute a windows file (.exe) Surely you ought to be using powershell. Anyway on a Linux bash shell a simple one-liner will suffice.
[/home/$] for filename in /Data/*.txt; do for i in {0..3}; do ./MyProgam.exe Data/filenameLogs/$file...
Google Maps API v3: How do I dynamically change the marker icon?
..., -1.320850, '<p> Hello - 5 </p>']
];
var infoWindow = new google.maps.InfoWindow(), marker, i;
var testMarker = [];
var status = [];
for( i = 0; i < markers.length; i++ )
{
var title = markers[i][0];
var loan =...
App Inventor 2 中的响应式设计 · App Inventor 2 中文网
... 顶部 var qrcode = new QRCode("qrcode", { text: window.location.href + "?f=share", //URL地址 width: 150, height: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 © 2023 - docume...
What exactly is Python's file.flush() doing?
...es not to cooperate. Especially with wonderful things like write-delays in Windows/NTFS. Basically the internal buffer is flushed, but the OS buffer is still holding on to it. So you have to tell the OS to write it to disk with os.fsync() in those cases.
[1] http://docs.python.org/library/stdtypes....
How to track down log4net problems
...able to see the diagnostic logs from log4net within Visual Studio's Output window
– Naren
Feb 22 '19 at 23:49
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Chrome: timeouts/interval suspended in background tabs?
... and IE.
Most of the modern browsers (Chrome, Firefox and IE), intervals (window timers) are clamped to fire no more often than once per second in inactive tabs.
You can find more information on
https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setInterval
https://develo...
Show an image preview before upload
...ateElement('img');
// use the DOMstring for source
image.src = window.URL.createObjectURL(files[i]);
image_preview.appendChild(image);
}
}
file_input.addEventListener('change', handle_file_preview);
sh...
opengl: glFlush() vs. glFinish()
...iver bug workaround. I can't find any spec mention of this requirement. On windows the driver must take a lock, on mac you have to do CGLLockContext. But using glFinish seems very wrong. To know when a texture is valid you have to do your own lock or event in any case.
– starmo...