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Environment variables for java installation

...ironment variables (== environment variables of type user variables) JAVA_HOME : C:\Program Files\Java\jdk1.8.0_112 JDK_HOME : %JAVA_HOME% JRE_HOME : %JAVA_HOME%\jre CLASSPATH : .;%JAVA_HOME%\lib;%JAVA_HOME%\jre\lib PATH : your-unique-entries;%JAVA_HOME%\bin (make sure that the longish your...
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How to do what head, tail, more, less, sed do in Powershell? [closed]

...txt | more # or less if you have it installed gc log.txt | %{ $_ -replace '\d+', '($0)' } # sed This works well enough for small files, larger ones (more than a few MiB) are probably a bit slow. The PowerShell Community Extensions include some cmdlets for specialised file stuf...
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Detect Browser Language in PHP

... why dont you keep it simple and clean <?php $lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2); $acceptLang = ['fr', 'it', 'en']; $lang = in_array($lang, $acceptLang) ? $lang : 'en'; require_once "index_{$lang}.php"; ?> ...
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Maven fails to find local artifact

...Maven repo tracks where artifacts originally came from using a file named "_maven.repositories" in the artifact directory. After removing it, the build worked. This answer fixed the problem for me. share | ...
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Regular expression to match URLs in Java

...placeholder. String regex = "^(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]"; This works too: String regex = "\\b(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]"; Note: String regex = "<\\b(https?|ftp|file)://[-a-zA-Z0-9+&am...
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Unique fields that allow nulls in Django

...pty string by providing your own customized model form for Foo with a clean_bar method that turns the empty string into None: class FooForm(forms.ModelForm): class Meta: model = Foo def clean_bar(self): return self.cleaned_data['bar'] or None class FooAdmin(admin.ModelAdmin...
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django : using select_related and get_object_or_404 together

Is there any way of using get_object_or_404 and select_related together or any other way to achieve the result of using these two together(except from putting it in try/except)?? ...
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Wrap a delegate in an IEqualityComparer

...t;T> : IEqualityComparer<T> { readonly Func<T, T, bool> _comparer; readonly Func<T, int> _hash; public FuncEqualityComparer( Func<T, T, bool> comparer ) : this( comparer, t => 0 ) // NB Cannot assume anything about how e.g., t.GetHashCode() interact...
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Convert Dictionary to semicolon separated string in c#

... Edited according to comments. – the_drow Oct 6 '10 at 11:18 7 @Amittai, @the_dr...
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How can you dynamically create variables via a while loop? [duplicate]

...uvwxyz') print '\n'.join(repr(u) for u in globals() if not u.startswith('__')) for i in xrange(8): globals()[''.join(random.sample(alphabet,random.randint(3,26)))] = random.choice(alphabet) print print '\n'.join(repr((u,globals()[u])) for u in globals() if not u.startswith('__')) one resu...