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How to check if PHP array is associative or sequential?
...y but has no element in 0 position. As "most" real associative arrays have strings as keys this should be a nice optimisation for the general case of such function.
– OderWat
May 24 '17 at 23:57
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How to determine programmatically whether a particular process is 32-bit or 64-bit
... Console.WriteLine(p.ProcessName + " is " + (p.IsWin64Emulator() ? string.Empty : "not ") + "32-bit");
}
catch (Win32Exception ex)
{
if (ex.NativeErrorCode != 0x00000005)
{
throw;
...
Test if string is a number in Ruby on Rails
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Create is_number? Method.
Create a helper method:
def is_number? string
true if Float(string) rescue false
end
And then call it like this:
my_string = '12.34'
is_number?( my_string )
# => true
Extend String Class.
If you want to be able to call is_number? directly on the string...
POST request via RestTemplate in JSON
...ders();
headers.setContentType(MediaType.APPLICATION_JSON);
HttpEntity<String> entity = new HttpEntity<String>(requestJson, headers);
ResponseEntity<String> response = restTemplate.put(url, entity);
I hope this helps
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strdup() - what does it do in C?
...ed to the abbreviated way in which C and UNIX assigns words, it duplicates strings :-)
Keeping in mind it's actually not part of the ISO C standard itself(a) (it's a POSIX thing), it's effectively doing the same as the following code:
char *strdup(const char *src) {
char *dst = malloc(strlen (...
Get URL query string parameters
What is the "less code needed" way to get parameters from a URL query string which is formatted like the following?
11 Answ...
Python SQL query string formatting
I'm trying to find the best way to format an sql query string. When I'm debugging
my application I'd like to log to file all the sql query strings, and it is
important that the string is properly formated.
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PHP Pass by reference in foreach [duplicate]
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Result:
(Take attention on the last two array)
array(4) {
[0]=>
string(4) "zero"
[1]=>
string(3) "one"
[2]=>
string(3) "two"
[3]=>
&string(5) "three"
}
array(4) {
[0]=>
string(4) "zero"
[1]=>
string(3) "one"
[2]=>
string(3) "two"
[3]=>
...
How can I use “.” as the delimiter with String.split() in java [duplicate]
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String.split takes a regex, and '.' has a special meaning for regexes.
You (probably) want something like:
String[] words = line.split("\\.");
Some folks seem to be having trouble getting this to work, so here is some run...
How to convert String to long in Java?
I got a simple question in Java: How can I convert a String that was obtained by Long.toString() to long ?
9 Answers
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