大约有 15,571 项符合查询结果（耗时：0.0411秒） [XML]
How to get the size of a JavaScript object?
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The 'bytes+= recurse( value[i] )' line, throws an error in my FF 14.01: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIDOMHTMLInputElement.selectionStart]. On one of my Object, if I try a different one, it doesn't, maybe a browser bug, o...
Open Cygwin at a specific folder
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Had permission issues on W7x64 (Error (5): Access is denied. Hive not writable). Resolved by launching Cygwin as administrator.
– DmitrySandalov
Apr 16 '14 at 12:27
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Checking images for similarity with OpenCV
...images ( same size/orientation )
// Compare two images by getting the L2 error (square-root of sum of squared error).
double getSimilarity( const Mat A, const Mat B ) {
if ( A.rows > 0 && A.rows == B.rows && A.cols > 0 && A.cols == B.cols ) {
// Calculate the L2 r...
Laravel redirect back to original destination after login
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But before that, Laravel shows a 403 error page without any action. Instead, how to redirect automatically to the login page, and then to the intended page??
– Pathros
Aug 23 at 4:23
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How do you allow spaces to be entered using scanf?
...hout specifying a field width. You should also check the return values for errors:
#include <stdio.h>
#define NAME_MAX 80
#define NAME_MAX_S "80"
int main(void)
{
static char name[NAME_MAX + 1]; // + 1 because of null
if(scanf("%" NAME_MAX_S "[^\n]", name) != 1)
{
fpu...
How to disable and re-enable console logging in Python?
...EBUG,
'info': logging.INFO,
'warning': logging.WARNING,
'error': logging.ERROR,
'critical': logging.CRITICAL
So, if you set your_level to logging.CRITICAL, you will get only critical messages sent by:
logging.critical('This is a critical error message')
Setting your_lev...
Getting a File's MD5 Checksum in Java
...eInputStream? Sounds like you used FileInputStream, which would cause this error.
– erickson
Dec 17 '12 at 17:16
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How do I verify/check/test/validate my SSH passphrase?
... ssh-add requires admin rights on the machine, I think. I am getting an error: "Could not open a connection to your authentication agent."
– IgorGanapolsky
Feb 12 '14 at 21:15
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Setting up FTP on Amazon Cloud Server [closed]
...hat means that after rebooting your EC2 instance, you'll feel a moment of terror when FTP seems to be broken - but in reality, it's just not running!. Here's a handy way to fix that:
> sudo chkconfig --level 345 vsftpd on
Alternatively, if you are using redhat, another way to manage your serv...
difference between foldLeft and reduceLeft in Scala
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For reference, reduceLeft will error if applied to an empty container with the following error.
java.lang.UnsupportedOperationException: empty.reduceLeft
Reworking the code to use
myList foldLeft(List[String]()) {(a,b) => a+b}
is one potential op...