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What exactly are DLL files, and how do they work?
...elete or rename the DLL and watch how the loader will report a missing DLL error when you try to run the executable.
Hence the name Dynamic Link Library, parts of the linking process is being done dynamically at run time by the executable loader.
One a final note, if you don't link to the DLL then...
What is the scope of variables in JavaScript?
...perties on the global object.
Examples
The following will throw a ReferenceError because the namesx, y, and z have no meaning outside of the function f.
function f() {
var x = 1
let y = 1
const z = 1
}
console.log(typeof x) // undefined (because var has function scope!)
console.log(t...
Git rebase: conflicts keep blocking progress
...ory clean)
Ah ah, there is no change. If you read in detail the previous error message, git informed us of this and recommended to use git rebase --skip. He told us "If there is nothing left to stage, chances are that something else already introduced the same changes; you might want to skip this ...
Is there any way I can define a variable in LaTeX?
...xisting macros without any warnings and therefore can cause various subtle errors. To overcome this either use namespaced variables like my_var or fall back to \newcommand, \renewcommand commands instead.
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How to install Maven 3 on Ubuntu 18.04/17.04/16.10/16.04 LTS/15.10/15.04/14.10/14.04 LTS/13.10/13.04
...ollowing:
set it up from scratch
repair it if apt-get update gives a 404 error after add-apt-repository
repair it if apt-get update gives a NO_PUBKEY error after manually adding it to /etc/apt/sources.list
Open a terminal and run the following:
sudo -i
Enter your password if necessary, then p...
if, elif, else statement issues in Bash
...if[). Only after having parsed the statement it would be executed (and an error message like elif[: command not found would be output).
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How do I convert a git repository to mercurial?
...ify that hg will need access to git for the conversion or else you get the error "cannot find required "git" tool".
– jmd
Jun 22 '16 at 8:58
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也来说说ReactOS的调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...if (!Rs232ConfigurePortWin32(String))
{
MessageBox(hMainWnd, TEXT("Error configuring port!"), TEXT("Error"), MB_OK|MB_ICONSTOP);
bConnected = FALSE;
return;
}
接着看看这个函数Rs232ConfigurePortWin32(同目录下的rs232.c中):
代码:
BOOL Rs232ConfigurePortWi...
Disable browser's back button
... browser, but you can make it so that your application breaks (displays an error message, requiring the user to start over) if the user goes back.
One approach I have seen for doing this is to pass a token on every URL within the application, and within every form. The token is regenerated on ever...
SQL how to increase or decrease one for a int column in one command
...at is, you try to do the creation first. If it's already there, ignore the error. Otherwise you create it with a 0 value.
Then do the update which will work correctly whether or not:
the row originally existed.
someone updated it between your insert and update.
It's not a single instruction and...