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Convert an image (selected by path) to base64 string
... {
image.Save(m, image.RawFormat);
byte[] imageBytes = m.ToArray();
// Convert byte[] to Base64 String
string base64String = Convert.ToBase64String(imageBytes);
return base64String;
}
}
...
How to run an EXE file in PowerShell with parameters with spaces and quotes
..., 'java', '-jar', 'app.jar')
Just put paths or connection strings in one array item and split the other things in one array item each.
There are a lot of other options here: https://social.technet.microsoft.com/wiki/contents/articles/7703.powershell-running-executables.aspx
Microsoft should make...
How to extract extension from filename string in Javascript? [duplicate]
...
I personally prefer to split the string by . and just return the last array element :)
var fileExt = filename.split('.').pop();
If there is no . in filename you get the entire string back.
Examples:
'some_value' => 'some_value'
'.htaccess' ...
What is null in Java?
...tial Values of Variables
Each class variable, instance variable, or array component is initialized with a default value when it is created:
For all reference types, the default value is null.
How this is used varies. You can use it to enable what is called lazy initialization...
Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...
I think most postings missed the main point. Even if you use empty array or empty list, those are objects and they are stored in memory. Than Garbage Collector has to take care of them. If you are dealing with high throughput application, it could be noticeable impact.
Enumerable.Empty does...
C++ display stack trace on exception
...int max_frames = 63)
{
fprintf(out, "stack trace:\n");
// storage array for stack trace address data
void* addrlist[max_frames+1];
// retrieve current stack addresses
int addrlen = backtrace(addrlist, sizeof(addrlist) / sizeof(void*));
if (addrlen == 0) {
fprintf(out, ...
How to convert “camelCase” to “Camel Case”?
...turn p.charAt(0).toUpperCase() + p.slice(1);
}).join(' ');
}
The map array method is an ES5 feature, but you can still use it in older browsers with some code from MDC. Alternatively, you can iterate over the array elements using a for loop.
...
How are virtual functions and vtable implemented?
... * is the first 4 bytes of the object, and the vtbl contents are simply an array of member pointers there (generally in the order they were declared, with the base class's first). There are of course other possible layouts, but that's what I've generally observed.
class A {
public:
virtual int ...
When to prefer JSON over XML?
...
name/value pairs
nesting those pairs
Which means it tends to like an array or nested array. However JSON is missing both
attributes
namespacing
So if you were to combine two or more JSON services there could be potential namespace conflicts. That being said JSON can be used for about 90% o...
How to check if a string starts with one of several prefixes?
...get the idea ...
A fancier solution would be:
List<String> days = Arrays.asList("SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT");
String day = newStr4.substring(0, 3).toUpperCase();
if (days.contains(day)) {
// ...
}
...