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How to specify new GCC path for CMake
My OS is centos which has a default gcc in path /usr/bin/gcc . But it is old, I need a new version of gcc. So I install a new version in a new path /usr/local/bin/gcc .
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Node.js Mongoose.js string to ObjectId function
...ing mongoose? The schema specifies that something is an ObjectId, but when it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") .
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How does MySQL process ORDER BY and LIMIT in a query?
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It will order first, then get the first 20. A database will also process anything in the WHERE clause before ORDER BY.
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MIN and MAX in C
...(((X) < (Y)) ? (X) : (Y)), especially if you plan to deploy your code. Either write your own, use something like standard fmax or fmin, or fix the macro using GCC's typeof (you get typesafety bonus too) in a GCC statement expression:
#define max(a,b) \
({ __typeof__ (a) _a = (a); \
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How do I get a value of datetime.today() in Python that is “timezone aware”?
...e value of datetime.today() to calculate how long ago something was. But it complains:
19 Answers
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Performance of Find() vs. FirstOrDefault() [duplicate]
Got an interesting outcome searching for Diana within a large sequence of a simple reference type having a single string property.
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commands not found on zsh
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It's evident that you've managed to mess up your PATH variable. (Your current PATH doesn't contain any location where common utilities are located.)
Try:
PATH=/bin:/usr/bin:/usr/local/bin:${PATH}
export PATH
Alternativel...
What is the AppDelegate for and how do I know when to use it?
...ppDelegate versus a custom class? Is there a rule or any type of analogy with another programming language like Python or PHP that uses an AppDelegate like pattern?
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Android: upgrading DB version and adding new table
I've already created sqlite tables for my app, but now I want to add a new table to the database.
5 Answers
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How to uninstall npm modules in node js?
...uments https://npmjs.org/doc/ have all the commands that you need to know with npm.
A local install will be in the node_modules/ directory of your application. This won't affect the application if a module remains there with no references to it.
If you're removing a global package, however, any a...