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Declaring pointers; asterisk on the left or right of the space between the type and name? [duplicate
... seen mixed versions of this in a lot of code. (This applies to C and C++, by the way.) People seem to declare pointers in one of two ways, and I have no idea which one is correct, of if it even matters.
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How to do a batch insert in MySQL
...lists of column
values, each enclosed within
parentheses and separated by commas.
Example:
INSERT INTO tbl_name (a,b,c) VALUES(1,2,3),(4,5,6),(7,8,9);
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Is 1.0 a valid output from std::generate_canonical?
...ain of std::mt19937 (std::uint_fast32_t) to float; the algorithm described by the standard gives incorrect results (inconsistent with its description of the output of the algorithm) when loss of precision occurs if the current IEEE754 rounding mode is anything other than round-to-negative-infinity (...
GDB corrupted stack frame - How to debug?
... (bogus in this case), so if this is what happened, you can easily undo it by manually popping the PC off the stack. In 32-bit x86 code you just do:
(gdb) set $pc = *(void **)$esp
(gdb) set $esp = $esp + 4
With 64-bit x86 code you need
(gdb) set $pc = *(void **)$rsp
(gdb) set $rsp = $rsp + 8
...
How to run `rails generate scaffold` when the model already exists?
...model, you can still generate the necessary controller and migration files by using the rails generate option. If you run rails generate -h you can see all of the options available to you.
Rails:
controller
generator
helper
integration_test
mailer
migration
model
observer
performa...
How do I check if a property exists on a dynamic anonymous type in c#?
... objType.GetProperty(name) != null will always return a bool, which (by definition) cannot ever be null.
– Alex McMillan
Apr 11 '17 at 4:59
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Get the name of an object's type
...hs after the article was published, this is the recommended version to use by the article's author Matthew Scharley. This change was inspired by comments pointing out potential pitfalls in the previous code.
if (Function.prototype.name === undefined && Object.defineProperty !== undefined) {
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How to import Google Web Font in CSS file?
...eplace it with yours. If the font's name has multiple words, URL-encode it by adding a + sign between each word, as I did.
Make sure to place the @import at the very top of your CSS, before any rules.
Google Fonts can automatically generate the @import directive for you. Once you have chosen a fon...
(13: Permission denied) while connecting to upstream:[nginx]
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I have solved my problem by running my Nginx as the user I'm currently logged in with, mulagala.
By default the user as nginx is defined at the very top section of the nginx.conf file as seen below;
user nginx; # Default Nginx user
Change nginx t...
How to permanently export a variable in Linux?
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@mini-me: the environment of a process is usually set by the caller and changed from within the process. Changing env from outside a running process is unusual and not doable with export, but try with a debugger
– Antoine
Nov 28 '13 at 9:44...