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Using the star sign in grep
I am trying to search for the substring "abc" in a specific file in linux/bash
10 Answers
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How to check “hasRole” in Java Code with Spring Security?
...y 3.0 has this API
SecurityContextHolderAwareRequestWrapper.isUserInRole(String role)
You'll have to inject the wrapper, before you use it.
SecurityContextHolderAwareRequestWrapper
share
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impr...
How to create an array for JSON using PHP?
...ponse I get using var_dumb function is the following. How can I get rid of string(59)? string(59) "[{"result":"success"},{"message":"Data updated!"}]"
– James Smith
Sep 9 '17 at 23:46
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Getting the name of the currently executing method
...
Technically this will work...
String name = new Object(){}.getClass().getEnclosingMethod().getName();
However, a new anonymous inner class will be created during compile time (e.g. YourClass$1.class). So this will create a .class file for each method th...
How do I programmatically determine operating system in Java?
...find this code useful:
class ShowProperties {
public static void main(String[] args) {
System.getProperties().list(System.out);
}
}
All it does is print out all the properties provided by your Java implementations. It'll give you an idea of what you can find out about your Java en...
Laravel migration: unique key is too long, even if specified
...
Specify a smaller length for your e-mail:
$table->string('email', 250);
Which is the default, actually:
$table->string('email');
And you should be good.
For Laravel 5.4 you can find a solution in this Laravel 5.4: Specified key was too long error, Laravel News post:...
How to detect idle time in JavaScript elegantly?
...the end of an expression statement are optional and you can in fact pass a string to setInterval, which then gets evaluated as JavaScript.
– Felix Kling
Nov 17 '13 at 17:51
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Is if(items != null) superfluous before foreach(T item in items)?
... NullReferenceException. However you can do something like this:
List<string> items = null;
foreach (var item in items ?? new List<string>())
{
item.Dump();
}
but you might check performance of it. So I still prefer having if (items != null) first.
Based on Eric's Lippert sug...
How to accept Date params in a GET request to Spring MVC Controller?
...apping(value="/fetch" , method=RequestMethod.GET)
public @ResponseBody String fetchResult(@RequestParam("from") @DateTimeFormat(pattern="yyyy-MM-dd") Date fromDate) {
//Content goes here
}
Yes, it's simple. Just add the DateTimeFormat annotation.
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Sorting object property by values
...and you can choose to sort by whatever object property you want, number or string, if you put the objects in an array. Consider this array:
var arrayOfObjects = [
{
name: 'Diana',
born: 1373925600000, // Mon, Jul 15 2013
num: 4,
sex: 'female'
},
{
...