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Differences between Proxy and Decorator Pattern
...more clear.
Proxy first:
public interface Authorization {
String getToken();
}
And :
// goes to the DB and gets a token for example
public class DBAuthorization implements Authorization {
@Override
public String getToken() {
return "DB-Token";
}
}
And there is a call...
#ifdef vs #if - which is better/safer as a method for enabling/disabling compilation of particular s
...rather than 0/1 in your #define, and because the value is a single lexical token, it's the one time you don't need parentheses around it.
#define DEBUG_ENABLED true
instead of
#define DEBUG_ENABLED (1)
share
...
How to make sure that string is valid JSON using JSON.NET
...method).
(Using JSON.Net)
Simplest way would be to Parse the string using JToken.Parse, and also to check if the string starts with { or [ and ends with } or ] respectively (added from this answer):
private static bool IsValidJson(string strInput)
{
if (string.IsNullOrWhiteSpace(strInput)) { ret...
Const before or const after?
...ir C compiler parsed input from left-to-right and finished processing each token as it consumed that. Consuming the * token changes the state of the current declaration to a pointer type. Encountering const after * means the const qualifier is applied to a pointer declaration; encountering it prio...
ios Upload Image and Text using HTTP POST
...ndData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
// parameter token
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"email\"\r\n\r\n"] dat...
Batch file to delete files older than N days
...[1]: Year-Month-Day
:epoch
setlocal ENABLEDELAYEDEXPANSION
for /f "tokens=1,2,3 delims=-" %%d in ('echo %1') do set Years=%%d& set Months=%%e& set Days=%%f
if "!Months:~0,1!"=="0" set Months=!Months:~1,1!
if "!Days:~0,1!"=="0" set Days=!Days:~1,1!
set /a Days=Days*day
...
Can I mask an input text in a bat file?
...me uncomfortable. Avoid doing that by doing this instead: for /f "usebackq tokens=*" %%p in (``powershell -Command "$pword = read-host 'Enter Password' -AsSecureString ; $BSTR=[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pword); [System.Runtime.InteropServices.Marshal]::PtrToStringA...
How do I create multiple submit buttons for the same form in Rails?
...lly like this solution. However, I had to add a hidden field with the CSRF token even though I was already using form helpers or Rails would not accept the token. I could not find a better workaround and am still not sure why exactly this happens or just adding the token again fixes it.
...
Is there a way to keep Hudson / Jenkins configuration files in source control?
... Wouldn't storing the user configs expose the plaintext API tokens in their config.xml?
– Boon
Feb 5 '16 at 16:54
...
Can I access constants in settings.py from templates in Django?
...values out of the settings.
@register.tag
def value_from_settings(parser, token):
try:
# split_contents() knows not to split quoted strings.
tag_name, var = token.split_contents()
except ValueError:
raise template.TemplateSyntaxError, "%r tag requires a single argume...