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Mock functions in Go
...1: Pass get_page() as a parameter of downloader()
type PageGetter func(url string) string
func downloader(pageGetterFunc PageGetter) {
// ...
content := pageGetterFunc(BASE_URL)
// ...
}
Main:
func get_page(url string) string { /* ... */ }
func main() {
downloader(get_page)
}
Tes...
How to determine if a string is a number with C++?
...'ve had quite a bit of trouble trying to write a function that checks if a string is a number. For a game I am writing I just need to check if a line from the file I am reading is a number or not (I will know if it is a parameter this way). I wrote the below function which I believe was working sm...
C: differences between char pointer and array [duplicate]
... (in this one, "now is the time" is stored elsewhere in memory, commonly a string table).
Also, note that because the data belonging to the second definition (the explicit pointer) is not stored in the current scope's stack space, it is unspecified exactly where it will be stored and should not be ...
Converting a String to DateTime
How do you convert a string such as 2009-05-08 14:40:52,531 into a DateTime ?
17 Answers
...
What exactly does stringstream do?
...
Sometimes it is very convenient to use stringstream to convert between strings and other numerical types. The usage of stringstream is similar to the usage of iostream, so it is not a burden to learn.
Stringstreams can be used to both read strings and write data ...
Get file name from URI string in C#
I have this method for grabbing the file name from a string URI. What can I do to make it more robust?
8 Answers
...
Padding characters in printf
... justification, but you can just omit subtracting the length of the second string if you want ragged-right lines.
pad=$(printf '%0.1s' "-"{1..60})
padlength=40
string2='bbbbbbb'
for string1 in a aa aaaa aaaaaaaa
do
printf '%s' "$string1"
printf '%*.*s' 0 $((padlength - ${#string1} - ${#st...
How to use java.net.URLConnection to fire and handle HTTP requests?
...et. The parameters are optional and depend on the functional requirements.
String url = "http://example.com";
String charset = "UTF-8"; // Or in Java 7 and later, use the constant: java.nio.charset.StandardCharsets.UTF_8.name()
String param1 = "value1";
String param2 = "value2";
// ...
String quer...
Most lightweight way to create a random string and a random hexadecimal number
What is the most lightweight way to create a random string of 30 characters like the following?
13 Answers
...
Why declare unicode by string in python?
...code characters into your file no matter what the encoding is; you can use string unicode escapes, which work in either encoding.
When you declare a string with a u in front, like u'This is a string', it tells the Python compiler that the string is Unicode, not bytes. This is handled mostly tran...