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When is it better to use String.Format vs string concatenation?
... several other developers) to remove a parameter, or mess up the parameter order by mistake. The compiler will not check the parameters against the format string and you end up with a runtime error (that is, if you're lucky enough not to have it in an obscure method, such as logging an error). With ...
Using OpenSSL what does “unable to write 'random state'” mean?
... to write to those places in the filesystem.
If everything seems to be in order, you could try running with strace and see what exactly is going on.
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Makefiles with source files in different directories
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You can add rules to your root Makefile in order to compile the necessary cpp files in other directories. The Makefile example below should be a good start in getting you to where you want to be.
CC=g++
TARGET=cppTest
OTHERDIR=../../someotherpath/in/project/src
SO...
INSERT INTO vs SELECT INTO
...h many columns with similar structures to other tables and then edit it in order to save time.
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How to know if user is logged in with passport.js?
... } else {
res.redirect('/login');
}
}
And use it:
app.get('/orders', loggedIn, function(req, res, next) {
// req.user - will exist
// load user orders and render them
});
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How do I create a simple 'Hello World' module in Magento?
...ento uses config files consisting of XML to decide what it needs to do. In order to get it to run your own stuff as opposed to core functionality you need the correct xml. Unfortunately there is no guide on how to build you XML; you need to look at examples and do some serious testing. To complicate...
What is the difference between DAO and Repository patterns?
...that access a database, must have some logic to handle database access. In order to keep the code clean and modular, it is recommended that database access logic should be isolated into a separate module. In layered architecture, this module is DAL.
So far, we haven't talked about any particular im...
Should you ever use protected member variables?
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One order of business of a constructor is to see to it that all state variables are explicitly initialized. If you adhere to this convention, you can use the super construct to call the parent constructor; it will then take care...
Force R not to use exponential notation (e.g. e+10)?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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What's the difference between HEAD^ and HEAD~ in Git?
...Both commit nodes B and C are parents of commit node A. Parent commits are ordered left-to-right. (N.B. The git log --graph command displays history in the opposite order.)
G H I J
\ / \ /
D E F
\ | / \
\ | / |
\|/ |
B C
\ /
\ /
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