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Pinging servers in Python

... the connection fails. (The return value actually differs depending on the network error.) You could also change the ping timeout (in seconds) using the '-t' option. Note, this will output text to the console. share ...
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How can I clear or empty a StringBuilder? [duplicate]

... with an empty StringBuilder , but I can't see any method similar to the .NET StringBuilder.Clear in the documentation, just the delete method which seems overly complicated. ...
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How to copy a file to a remote server in Python using SCP or SSH?

...LE, "USER@SERVER:PATH"]) #e.g. subprocess.run(["scp", "foo.bar", "joe@srvr.net:/path/to/foo.bar"]) If you're creating the file that you want to send in the same Python program, you'll want to call subprocess.run command outside the with block you're using to open the file (or call .close() on the ...
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Is “else if” faster than “switch() case”? [duplicate]

...loop and function. A small improvement to the body of the if-statement can net a HUGE performance boost. Thinking like this while designing can help prevent problems down the line that would cause you to have to use a profiling tool. This is a legit question, and should not be disregarded. ...
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How to calculate the number of days between two dates? [duplicate]

...t easy to understand. You'll find a running example here: http://jsfiddle.net/matKX/ share | improve this answer | follow | ...
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How to change the text on the action bar

...roid for an activity or globally for entire application : labs.makemachine.net/2010/03/custom-android-window-title – Paresh Mayani Aug 17 '10 at 6:15 1 ...
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What is the Swift equivalent to Objective-C's “@synchronized”?

...ery interesting article explains a pitfall with objc_sync_xxx: straypixels.net/swift-dictionary-locking – Mike Taverne Apr 30 '19 at 18:17  |  ...
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How to perform Single click checkbox selection in WPF DataGrid?

... Based on blog referenced in Goblin's answer, but modified to work in .NET 4.0 and with Row-Selection Mode. Notice that it also speeds up DataGridComboBoxColumn editing - by entering edit mode and displaying dropdown on single click or text input. XAML: <Style TargetType="{x:Type ...
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Limit a stream by a predicate

... the preview docs for JDK9 Stream, with takeWhile/dropWhile: download.java.net/jdk9/docs/api/java/util/stream/Stream.html – Miles Dec 16 '15 at 1:11 1 ...
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Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:

I developed a Windows service using C#.NET to generate PDF report. To generate PDF file I am using a third party dll. The application is running in my Windows XP platform. When I deployed the service in Windows Server 2008 64 bit version, I got this error: ...