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How to pick an image from gallery (SD Card) for my app?
...er works reliably, as images from various sources sometimes return with a different content URI, i.e. content:// rather than file://. A better solution is to simply use context.getContentResolver().openInputStream(intent.getData()), as that will return an InputStream that you can handle as you choos...
How do I abort/cancel TPL Tasks?
...do some heavy work here
Thread.Sleep(100);
if (ct.IsCancellationRequested)
{
// another thread decided to cancel
Console.WriteLine("task canceled");
break;
}
}
...
Remote origin already exists on 'git push' to a new repository
...git remote rm origin
Again "origin" is the name of the remote repository if you want to
remove the "upstream" remote:
git remote rm upstream
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Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...lbackObject 是一个IRTDUpdateEvent类型的参数，它有一个UpdateNotify方法，用于通知Excel有更新的数据可用（push）。这样Excel就会通过调用RefreshData方法来刷新所有的主题（pull）。当 Excel 请求RTD Server的第一个 RTD 主题时调用ServerStart方法...
How to overcome root domain CNAME restrictions?
... RFC states domain names without subdomain in front of them are not valid. If you read the RFC carefully, however, you'll find that this is not exactly what it says. In fact, RFC 1912 states:
Don't go overboard with CNAMEs. Use them when renaming hosts, but plan to get rid of them (and inform yo...
jQuery SVG, why can't I addClass?
...ery (less than 3) can't add a class to an SVG.
.attr() works with SVG, so if you want to depend on jQuery:
// Instead of .addClass("newclass")
$("#item").attr("class", "oldclass newclass");
// Instead of .removeClass("newclass")
$("#item").attr("class", "oldclass");
And if you don't want to depe...
Changing CSS Values with Javascript
It's easy to set inline CSS values with javascript. If I want to change the width and I have html like this:
9 Answers
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How do I enable/disable log levels in Android?
...LOGLEVEL > 1;
...
public static boolean VERBOSE = LOGLEVEL > 4;
if (VERBOSE) Log.v(TAG, "Message here"); // Won't be shown
if (WARN) Log.w(TAG, "WARNING HERE"); // Still goes through
Later, you can just change the LOGLEVEL for all debug output level.
...
Max return value if empty query
... .Select(x => x.ShoeSize)
.DefaultIfEmpty(0)
.Max();
The zero in DefaultIfEmpty is not necessary.
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Transferring files over SSH [closed]
...'re saying secure copy ./styles/, but not where to copy it to.
Generally, if you want to download, it will go:
# download: remote -> local
scp user@remote_host:remote_file local_file
where local_file might actually be a directory to put the file you're copying in. To upload, it's the opposit...