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How do I pass an extra parameter to the callback function in Javascript .filter() method?
I want to compare each string in an Array with a given string. My current implementation is:
8 Answers
...
Copying data from one SQLite database to another
...ctoriesInDomains(NSDocumentDirectory , NSUserDomainMask, YES);
NSString *documentsDir = [paths objectAtIndex:0];
NSString *maindbPath = [documentsDir stringByAppendingPathComponent:@"User.sqlite"];;
NSString *newdbPath = [documentsDir stringByAppendingPathComponent:@"...
Best way to check if a URL is valid
I want to use PHP to check, if string stored in $myoutput variable contains a valid link syntax or is it just a normal text. The function or solution, that I'm looking for, should recognize all links formats including the ones with GET parameters.
...
Convert Django Model object to dict with all of the fields intact
... 2}
This is almost as good as the custom function, but auto_now_add is a string instead of a datetime object.
Bonus Round: better model printing
If you want a django model that has a better python command-line display, have your models child-class the following:
from django.db import models
f...
ActiveRecord: List columns in table from console
...ou can just type the model name:
> User
gives:
User(id: integer, name: string, email: string, etc...)
In rails four, you need to establish a connection first:
irb(main):001:0> User
=> User (call 'User.connection' to establish a connection)
irb(main):002:0> User.connection; nil #call ...
How to generate a core dump in Linux on a segmentation fault?
...oid);
static void cleanup(void);
void init_signals(void);
void panic(const char *, ...);
struct sigaction sigact;
char *progname;
int main(int argc, char **argv) {
char *s;
progname = *(argv);
atexit(cleanup);
init_signals();
printf("About to seg fault by assigning zero to *s\n...
How do exceptions work (behind the scenes) in c++
...ception, @object
.size _ZTS11MyException, 14
_ZTS11MyException:
.string "11MyException"
The typeinfo data.
.section .eh_frame,"a",@progbits
.Lframe1:
.long .LECIE1-.LSCIE1
.LSCIE1:
.long 0x0
.byte 0x1
.string "zPL"
.uleb128 0x1
.sleb128 -4
.byte ...
MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...n nItem here
}
}
8. 得到item的信息
TCHAR szBuf[1024];
LVITEM lvi;
lvi.iItem = nItemIndex;
lvi.iSubItem = 0;
lvi.mask = LVIF_TEXT;
lvi.pszText = szBuf;
lvi.cchTextMax = 1024;
m_list.GetItem(&lvi);
关于...
How to store arbitrary data for some HTML tags
...hat data in a div. Obviously in this example, I need each link to store an extra bit of information: the id of the article. The way I've been handling it in case was to put that information in the href link this:
...
Array versus List: When to use which?
...imensional; where-as you have have rectangular (etc) arrays like int[,] or string[,,] - but there are other ways of modelling such data (if you need) in an object model.
See also:
How/When to abandon the use of Arrays in c#.net?
Arrays, What's the point?
That said, I make a lot of use of arrays...