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Trim last character from a string
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"Hello! world!".TrimEnd('!');
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EDIT:
What I've noticed in this type of questions that quite everyone suggest to remove the last char of given string. But this does not fulfill the definition of Trim method.
Trim - Removes all occurrences of
white spac...
Get names of all keys in the collection
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You could do this with MapReduce:
mr = db.runCommand({
"mapreduce" : "my_collection",
"map" : function() {
for (var key in this) { emit(key, null); }
},
"reduce" : function(key, stuff) { return null; },
"out": "my_collection" + ...
Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
When I compile C/C++ program with popen in php ... I got this error:
9 Answers
9
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What are the dark corners of Vim your mom never told you about? [closed]
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Might not be one that 99% of Vim users don't know about, but it's something I use daily and that any Linux+Vim poweruser must know.
Basic command, yet extremely useful.
:w !sudo tee %
I often forget to sudo before editing a file I don't have write permissions on. When I come to sa...
Passing functions with arguments to another function in Python?
Is it possible to pass functions with arguments to another function in Python?
7 Answers
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Query for documents where array size is greater than 1
I have a MongoDB collection with documents in the following format:
13 Answers
13
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unable to print object ('po') in xcode6 beta 6 osx swift project: (Error in auto-import: failed to g
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As of Xcode 6.1 if you attempt the po command twice it will work on the second attempt. The first po command will always fail for each new debugging session but subsequent calls work.
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How do I time a method's execution in Java?
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edited Jul 8 '16 at 21:49
michaelsnowden
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How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?
...rty of assembly references in Visual Studio 2010. After a few experiments with unexpected results I set out to learn as much as possible about how the property works. Even SO, it appears to me, does not have all the answers, so here is my attempt at self-answering the question:
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@Basic(optional = false) vs @Column(nullable = false) in JPA
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Gordon Yorke (EclipseLink Architecture Committee Member, TopLink Core Technical Lead, JPA 2.0 Expert Group Member) wrote a good answer on this topic so instead of paraphrasing him, I'll quote his answer:
The difference between optional and
nullable ...