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Difference between string and char[] types in C++
...
You can access a string's char array like this:
std::string myString = "Hello World";
const char *myStringChars = myString.c_str();
C++ strings can contain embedded \0 characters, know their length without counting, are faster than heap-allocated char arrays for short texts and protect you from...
Is object empty? [duplicate]
...({}), // true
isEmpty({length: 0, custom_property: []}), // true
isEmpty("Hello"), // false
isEmpty([1,2,3]), // false
isEmpty({test: 1}), // false
isEmpty({length: 3, custom_property: [1,2,3]}) // false
If you only need to handle ECMAScript5 browsers, you can use Object.getOwnPropertyNames inste...
How to pipe list of files returned by find command to cat to view all the files
... job for a shell script to me:
for file in 'find -name *.xml'
do
grep 'hello' file
done
or something like that
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PostgreSQL: Difference between text and varchar (character varying)
...ture e.g. CHECK(char_length(x)>5 AND char_length(x)<=20 AND x LIKE 'Hello%')
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Using reflect, how do you set the value of a struct field?
...uct {
Number int
Text string
}
func main() {
foo := Foo{123, "Hello"}
fmt.Println(int(reflect.ValueOf(foo).Field(0).Int()))
reflect.ValueOf(&foo).Elem().Field(0).SetInt(321)
fmt.Println(int(reflect.ValueOf(foo).Field(0).Int()))
}
Prints:
123
321
...
Unescape HTML entities in Javascript?
...e document, and pull out the its .body.textContent.
var encodedStr = 'hello &amp; world';
var parser = new DOMParser;
var dom = parser.parseFromString(
'<!doctype html><body>' + encodedStr,
'text/html');
var decodedString = dom.body.textContent;
console.log(dec...
Linq order by boolean
... {
var data = new[]
{
new { x = false, y = "hello" },
new { x = true, y = "abc" },
new { x = false, y = "def" },
new { x = true, y = "world" }
};
var query = from d in data
orderby d.x, d.y
...
How to solve “Plugin execution not covered by lifecycle configuration” for Spring Data Maven Builds
... linked to by the main site. In particular I based my pom.xml off of the "Hello, World!" example file . Here is a snip from my pom.xml for the plugin that is causing the issues...
...
Make WPF window draggable, no matter what element is clicked
...er>
<TextBlock Margin="5" Grid.Row="1" Text="Hello, world!" />
</Grid>
</dxdo:LayoutPanel>
</dxdo:FloatGroup>
</dxdo:DockLayoutManager.FloatGroups>
</dxdo:DockLayoutManager>
<...
PostgreSQL delete all content
Hello I want to delete all data in my postgresql tables, but not the table itself.
How could I do this?
3 Answers
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