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How to assign string to bytes array
...ize of the slice and use an array instead. My answer below trims the extra chars to make sure you do not overflow the array.
– DavidG
Feb 14 '16 at 5:17
3
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How to create a unique index on a NULL column?
...rt this. I have SSMS 10.50.1617 and in the Index Properties dialog you can select the Filter page to edit the filter. e.g. "([Column1] IS NOT NULL)"
– Phil Haselden
Aug 9 '11 at 5:27
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Composer: how can I install another dependency without updating old ones?
...ck file and any installed packages according to any fuzzy logic (> or * chars after the colons) found in composer.json! This can be avoided by using composer update vendor/package, but I wouldn't recommend making a habit of it, as you're one forgotten argument away from a potentially broken proje...
How do I copy SQL Azure database to my local development server?
... as simple as pressing an "Export" button in the Azure web portal when you select the database you want to export. The downside is that it is only manual procedure, I don't know a way to automate this through tools or scripts -- at least the first part that requires a click on the web page.
Manual...
What do the following phrases mean in C++: zero-, default- and value-initialization?
...) {}; ~C(); int m; }; // non-POD, default-initialising m
int main()
{
char buf[sizeof(B)];
std::memset( buf, 0x5a, sizeof( buf));
// use placement new on the memset'ed buffer to make sure
// if we see a zero result it's due to an explicit
// value initialization
B* pB =...
jQuery Ajax POST example with PHP
...}
// setup some local variables
var $form = $(this);
// Let's select and cache all the fields
var $inputs = $form.find("input, select, button, textarea");
// Serialize the data in the form
var serializedData = $form.serialize();
// Let's disable the inputs for the dura...
What is the >>>= operator in C?
...s a boolean it's true, so 0xFULL ? '\0' : -1 evaluates to '\0', which is a character literal whose numerical value is simply 0.
Meanwhile, 0X.1P1 is a hexadecimal floating point literal equal to 2/16 = 0.125. In any case, being non-zero, it's also true as a boolean, so negating it twice with !! ag...
How to use mongoimport to import csv
...Chef Tool (3.2+ version). Might help someone in future.
You just need to select collection
Select file to import
You can also unselect data which is going to import. Also many options are there.
Collection imported
See how to import video
...
Colorizing text in the console with C++
...out << k << " I want to be nice today!" << endl;
}
Character Attributes
Here is how the "k" value be interpreted.
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How do I convert a double into a string in C++?
...
// The C way:
char buffer[32];
snprintf(buffer, sizeof(buffer), "%g", myDoubleVar);
// The C++03 way:
std::ostringstream sstream;
sstream << myDoubleVar;
std::string varAsString = sstream.str();
// The C++11 way:
std::string varAsS...