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Using try vs if in python

...bility. In your example (say that instead of returning a list or an empty string, the function were to return a list or None), if you expect that 99 % of the time result will actually contain something iterable, I'd use the try/except approach. It will be faster if exceptions really are exceptional...
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How can I create an executable JAR with dependencies using Maven?

... <build> <plugins> <plugin> <artifactId>maven-assembly-plugin</artifactId> <configuration> <archive> <manifest> <mainClass>fully.qualified.MainClass</mainClass> </manifest&gt...
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How to reliably open a file in the same directory as a Python script

...tively or if the script is read from standard input), path[0] is the empty string, which directs Python to search modules in the current directory first. Notice that the script directory is inserted before the entries inserted as a result of PYTHONPATH. sys.path[0] is what you are looking for. ...
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What is the list of possible values for navigator.platform as of today? [closed]

...roperty is sent by the browser and can thus be faked, just like user agent strings. Never rely on the navigator object to be completely accurate. The definition As far as I know there isn't a single public list of all possible `navigator.platform` values, even though the property has been around for...
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How to show the “Are you sure you want to navigate away from this page?” when changes committed?

... consistently by all browsers. It should be a function reference and not a string (as the original answer stated) but that will work in older browsers because the check for most of them appears to be whether anything is assigned to onbeforeunload (including a function that returns null). You set wi...
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How do I create a message box with “Yes”, “No” choices and a DialogResult?

... You can also use this variant with text strings, here's the complete changed code (Code from Mikael), tested in C# 2012: // Variable string MessageBoxTitle = "Some Title"; string MessageBoxContent = "Sure"; DialogResult dialogResult = MessageBox.Show(MessageBoxCo...
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Converting from IEnumerable to List [duplicate]

...rrayList(); _provinces.Add("Western"); _provinces.Add("Eastern"); List<string> provinces = _provinces.Cast<string>().ToList(); If you're using Generic version IEnumerable<T>, The conversion is straight forward. Since both are generics, you can do like below, IEnumerable<in...
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Getting Django admin url for an object

... to change it to this: (r'^admin/', include(admin.site.urls) ), Once I did that, all the goodness that was promised in the Reversing Admin URLs docs started working. share | improve this answer ...
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How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to

... builds on established hash functions to use a known key to authenticate a string of text. It works like this: You take the text of your request and your secret key and apply the HMAC function. You add that authentication header to your request and send it to Amazon. Amazon looks up their copy of ...
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Determine if code is running as part of a unit test

...tatic class UnitTestDetector { static UnitTestDetector() { string testAssemblyName = "Microsoft.VisualStudio.QualityTools.UnitTestFramework"; UnitTestDetector.IsInUnitTest = AppDomain.CurrentDomain.GetAssemblies() .Any(a => a.FullName.StartsWith(testAssemblyNam...