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C/C++ macro string concatenation
Is it possible to concatenate have STR3 == "s1"?
You can do this by passing args to another Macro function. But is there a direct way?
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Parsing boolean values with argparse
I would like to use argparse to parse boolean command-line arguments written as "--foo True" or "--foo False". For example:
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count(*) vs count(column-name) - which is more correct? [duplicate]
Does it make a difference if you do count(*) vs count(column-name) as in these two examples?
5 Answers
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What is a database transaction?
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A transaction is a unit of work that you want to treat as "a whole." It has to either happen in full or not at all.
A classical example is transferring money from one bank account to another. To do that you have first to withdraw the amount from...
How do you uninstall all dependencies listed in package.json (NPM)?
... package.json file defined in my application root and run npm install -g it will install all the dependencies defined in package.json, globablly.
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Difference between objectForKey and valueForKey?
...a collection class similar to an NSArray, except instead of using indexes, it uses keys to differentiate between items. A key is an arbitrary string you provide. No two objects can have the same key (just as no two objects in an NSArray can have the same index).
valueForKey: is a KVC method. It wo...
Git status ignore line endings / identical files / windows & linux environment / dropbox / mled
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Try setting core.autocrlf value like this :
git config --global core.autocrlf true
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Getting the name of the currently executing method
...tThread().getStackTrace() will usually contain the method you’re calling it from but there are pitfalls (see Javadoc):
Some virtual machines may, under some circumstances, omit one or more stack frames from the stack trace. In the extreme case, a virtual machine that has no stack trace informa...
git cherry-pick not working
I'm trying to cherry-pick a commit from master and get it into the current production branch. However, when I execute git cherry-pick <SHA-hash> , I just get this message:
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Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
I have installed MySQL server and trying to connect to it, but getting the error:
18 Answers
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