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Differences between C++ string == and compare()?
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This is what the standard has to say about operator==
21.4.8.2 operator==
template<class charT, class traits, class Allocator>
bool operator==(const basic_string<charT,traits,Allocator>& lhs,
const basic_str...
Get value from NSTextField
I have an NSTextField and I need to get the field's value into a variable. What's the appropriate method?
4 Answers
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The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communicat
...happen on your server side, and you didn't catch and handle it, and didn't convert it to a SOAP fault, either.
Now since the server side "bombed" out, the WCF runtime has "faulted" the channel - e.g. the communication link between the client and the server is unusable - after all, it looks like you...
How to write LaTeX in IPython Notebook?
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Now is working on Jupiter. I put %%latex in a cell, and import the from IPython.display import Latex. After that, the Jupyter notebook recognizes Latex notation.
– Miguel Gutierrez
Jun 28 at 3:42
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Padding is invalid and cannot be removed?
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My issue was that the string to be decrypted was being converted to lower case before I tried to decrypt it. I was obsessing with the padding and ciphers and all that stuff, but it turned out it was just bad input. Sometimes you just need to take a step back!
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Replacement for “rename” in dplyr
...umn names. This example replaces spaces and periods with an underscore and converts everything to lower case:
iris %>%
select_all(~gsub("\\s+|\\.", "_", .)) %>%
select_all(tolower) %>%
head(2)
sepal_length sepal_width petal_length petal_width species
1 5.1 3.5 ...
Get Maven artifact version at runtime
...ion element of the maven-jar-plugin to set addDefaultImplementationEntries and addDefaultSpecificationEntries to true, like this:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
&l...
C# List to string with delimiter
Is there a function in C# to quickly convert some collection to string and separate values with delimiter?
2 Answers
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How do I compare two strings in Perl?
...o be different. How hard is that?! Being a numeric comparison operator, != converts both its operands to numbers perl -E 'say "equal" if not "a" != "b"'.
– Sinan Ünür
Jan 24 '15 at 17:36
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NSLog the method name with Objective-C in iPhone
... Method calls like [self doSomething:arg1 somethingElse:arg2] get converted into the C function call objc_msgSend(self, "doSomething:somethingElse:, arg1, arg2);. The second parameter of objc_msgSend() takes a char*. Remember that because the Objective-C runtime is dynamic, it's actually us...