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The Ruby %r{ } expression

... this regexp matches all strings that ends with .gif, .jpg... you could replace it with /\.(gif|jpg|jpeg|png)$/i share | improve this answer ...
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Why does SSL handshake give 'Could not generate DH keypair' exception?

...r = Logger.getLogger(SSLExcludeCipherConnectionHelper.class); private String[] exludedCipherSuites = {"_DHE_","_DH_"}; private String trustCert = null; private TrustManagerFactory tmf; public void setExludedCipherSuites(String[] exludedCipherSuites) { this.exludedCipherSu...
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Convert LocalDate to LocalDateTime or java.sql.Timestamp

... got compile error on argument as valueOf() accepts a string. – Patriotic Jul 3 at 17:32 1 ...
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write a shell script to ssh to a remote machine and execute commands

...andard output and standard error as each host completes -x args: Passes extra SSH command-line arguments -o option: Can be used to give options in the format used in the configuration file.(/etc/ssh/ssh_config) (~/.ssh/config) -p parallelism: Use the given number as the maximum number of con...
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Abstract classes in Swift Language

... the protocol extension. protocol MyInterface { func myMethod() -> String } extension MyInterface { func myMethod() -> String { fatalError("Not Implemented") } } class MyConcreteClass: MyInterface { func myMethod() -> String { return "The output" }...
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Is returning null bad design? [closed]

...ing null is insane when it's used as a substitute for empty containers (or strings). That's not the common case though. – MSalters Aug 14 '09 at 8:17 2 ...
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Get the last non-empty cell in a column in Google Sheets

... I ended up comparing with the empty string rather than using ISBLANK, which treats some empty-looking cells (e.g. blank-returning formulas like ="" as non-blank. Thus: '=index(filter(A:A, A:A<>""), rows(filter(A:A, A:A<>"")))' ...
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How do I change the string representation of a Python class? [duplicate]

In Java, I can override the toString() method of my class. Then Java's print function prints the string representation of the object defined by its toString() . Is there a Python equivalent to Java's toString() ? ...
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How do I add multiple arguments to my custom template filter in a django template?

...lter, but there's no reason you can't put all your arguments into a single string using a comma to separate them. So for example, if you want a filter that checks if variable X is in the list [1,2,3,4] you will want a template filter that looks like this: {% if X|is_in:"1,2,3,4" %} Now we can cr...
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How to generate .NET 4.0 classes from xsd?

...; <xs:sequence> <xs:element name="orderperson" type="xs:string"/> <xs:element name="shipto"> <xs:complexType> <xs:sequence> <xs:element name="name" type="xs:string"/> <xs:element name="address" type="xs:...