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Is the NOLOCK (Sql Server hint) bad practice?
...r your mission critical web based application, a NOLOCK scan can cause 601 error which will terminate the query due to data movement as a result of lack of locking protection.
I suggest reading When Snapshot Isolation Helps and When It Hurts - the MSDN recommends using READ COMMITTED SNAPSHOT rathe...
Does Swift have documentation generation support?
...n bold.
/// - requires: A basic understanding of Markdown.
/// - seealso: `Error`, for a description of the errors that can be thrown.
///
/// - parameters:
/// - int: A pointless `Int` parameter.
/// - bool: This `Bool` isn't used, but its default value is `false` anyway…
/// - throws: A `Bad...
Xcode: issue “file xxx.png is missing from working copy” at project building
... Commit and Push my latest changes. But doing just that did not remove the errors. So then I did Xcode > Source Control > Discard ALL Changes, and it cleaned up all the errors for me.
– EdwardM
Jan 24 '17 at 18:29
...
C++ Dynamic Shared Library on Linux
...ed.so", RTLD_NOW);
if (! handler) {
throw std::runtime_error(dlerror());
}
Reset_dlerror();
creator = reinterpret_cast<Base_creator_t>(dlsym(handler, "create"));
Check_dlerror();
}
std::unique_ptr<Base> create() const {
...
How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...ere.
}
Note that typeof always returns a string, and doesn't generate an error if the variable doesn't exist at all.
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Get city name using geolocation
...olocation) {
navigator.geolocation.getCurrentPosition(successFunction, errorFunction);
}
//Get the latitude and the longitude;
function successFunction(position) {
var lat = position.coords.latitude;
var lng = position.coords.longitude;
codeLatLng(lat, lng)
}
function errorFunction...
What does the explicit keyword mean?
... implicit conversions. Adding it to the above class will create a compiler error at the function call DoBar (42). It is now necessary to call for conversion explicitly with DoBar (Foo (42))
The reason you might want to do this is to avoid accidental construction that can hide bugs.
Contrived examp...
Installing PIL with pip
...
I got a clang error on OSX Mavericks when I tried this, but I found that this answer helped with that: stackoverflow.com/a/22322645/16959
– Jason Sperske
Apr 25 '14 at 21:38
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How to install and run phpize
...apt-get install php5-dev . But now when I run phpize I get the following error :
16 Answers
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What is the difference between const_iterator and non-const iterator in the C++ STL?
...};
std::vector<int>::const_iterator cit = v.begin();
// Compile time error: cannot modify container with const_iterator.
//*cit = 1;
As shown above, v.begin() is const overloaded, and returns either iterator or const_iterator depending on the const-ness of the container variable:
How does ...