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Is it possible to use “/” in a filename?
...ot something that should ever be done, but is there a way to use the slash character that normally separates directories within a filename in Linux?
...
How to access session variables from any class in ASP.NET?
...}
// **** add your session properties here, e.g like this:
public string Property1 { get; set; }
public DateTime MyDate { get; set; }
public int LoginId { get; set; }
}
This class stores one instance of itself in the ASP.NET session and allows you to access your session properties...
Should arrays be used in C++?
..." },
// ...
};
This is often preferable to using a vector (and std::string), since it
avoids all order of initialization issues; the data is pre-loaded,
before any actual code can be executed.
Finally, related to the above, the compiler can calculate the actual
size of the array from the init...
Rank function in MySQL
...arate SET command.
Test case:
CREATE TABLE person (id int, first_name varchar(20), age int, gender char(1));
INSERT INTO person VALUES (1, 'Bob', 25, 'M');
INSERT INTO person VALUES (2, 'Jane', 20, 'F');
INSERT INTO person VALUES (3, 'Jack', 30, 'M');
INSERT INTO person VALUES (4, 'Bill', 32, 'M'...
Django template tag to truncate text
...mplate filter, that add "..." to the end of (last word of) the (truncated) string as well:
from django import template
register = template.Library()
@register.filter("truncate_chars")
def truncate_chars(value, max_length):
if len(value) > max_length:
truncd_val = value[:max_length]
...
How to find out what type of a Mat object is with Mat::type() in OpenCV
...our opencv matrices at runtime. I find it useful for debugging, at least.
string type2str(int type) {
string r;
uchar depth = type & CV_MAT_DEPTH_MASK;
uchar chans = 1 + (type >> CV_CN_SHIFT);
switch ( depth ) {
case CV_8U: r = "8U"; break;
case CV_8S: r = "8S"; break;...
Entity Framework - Invalid Column Name '*_ID"
...get; set; }
public Guid CategoryId { get; set; }
[Required]
[StringLength(200)]
public string Name { get; set; }
[StringLength(500)]
public string Description { get; set; }
[StringLength(50)]
public string ShortName { get; set; }
[StringLength(500)]
publi...
Error: free(): invalid next size (fast):
...ng to allocate space for an array of pointers, such as
char** my_array_of_strings; // or some array of pointers such as int** or even void**
then you will need to consider word size (8 bytes in a 64-bit system, 4 bytes in a 32-bit system) when allocating space for n pointers. The size of a poin...
How to profile a bash shell script slow startup?
... do better -- using \D{...} in PS4 allows completely arbitrary time format strings to be expanded without the performance overhead of launching date as a subprocess.
– Charles Duffy
Jul 18 '13 at 21:35
...
How can I perform a reverse string search in Excel without using VBA?
I have an Excel spreadsheet containing a list of strings. Each string is made up of several words, but the number of words in each string is different.
...