大约有 10,300 项符合查询结果（耗时：0.0510秒） [XML]
How to exclude this / current / dot folder from find “type d”
...y machine's man find have it escaped so it seems like it's probably a Good Idea™. Edit — Just noticed it even explicitly says: ! expr True if expr is false. This character will also usually need protection from interpretation by the shell.
– Adrian Günter
...
How is attr_accessible used in Rails 4?
...filter parameters in controller layer, and i don't think that this is best idea for all applications. For me the best way to filter parameters is to use additional layer. And we can use 'protected_attributes' gem to write this layer
– edikgat
Oct 16 '14 at 11:2...
How to use MySQL DECIMAL?
... the answers above seems correct, just a simple explanation to give you an idea of how it works.
Suppose that your column is set to be DECIMAL(13,4). This means that the column will have a total size of 13 digits where 4 of these will be used for precision representation.
So, in summary, for that ...
How to deny access to a file in .htaccess
... I get a 500 internal server error when using this code. Any idea why? I'm using Wordpress.
– Keryn Gill
Jan 26 '15 at 21:25
8
...
What is a Windows Handle?
...d a HANDLE, without it impacting user code in any way (at least that's the idea).
Consider these three different internal implementations of a Win32 API that I just made up, and assume that Widget is a struct.
Widget * GetWidget (std::string name)
{
Widget *w;
w = findWidget(name);
r...
Disable browser's back button
...he poster's question. Let's just assume that everyone knows this is a bad idea, but we are curious about how it's done anyway...
You cannot disable the back button on a user's browser, but you can make it so that your application breaks (displays an error message, requiring the user to start over)...
Detect if called through require or directly by command line
...is not straightforward, but it was fun to see how it could be done.
So the idea is to call a module and ask it if the caller module is the main one. We have to figure out the module of the caller function. My first approach was a variation of the accepted answer:
module.exports = function () {
r...
Focus-follows-mouse (plus auto-raise) on Mac OS X
...he detached top menu bar in OS X is one of the most bizarre, ridiculous UI ideas I've ever seen. Whoever came up with that one needs to be tarred and feathered.
– Nate
Feb 10 '13 at 4:42
...
Vim multiline editing like in sublimetext?
...lt;C-v>.
Others have dealt with recording macros, here are a few other ideas:
Using only visual-block mode.
Put the cursor on the second word:
asd |a|sd asd asd asd;
asd asd asd asd asd;
asd asd asd asd asd;
asd asd asd asd asd;
asd asd asd asd asd;
asd asd asd asd asd;
asd asd asd asd asd;
...
Printf width specifier to maintain precision of floating-point value
.../ 0.000000
r+=0.1 ;
printf( "%.6f\n", r ) ; // 0.100000
But float has no idea of the difference between 1e27 and 1e27 + 0.1.
r = 1e27;
printf( "%.6f\n", r ) ; // 999999988484154753734934528.000000
r+=0.1 ;
printf( "%.6f\n", r ) ; // still 999999988484154753734934528.000000
This is because all t...