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Symfony 2: How do I check if a user is not logged in inside a template?
...ble can be a UserInterface object, any other object which implements a __toString() method or even a regular string.. I don't remember where I read that app.user returns "anon." string unfortunately and under what circumstances.
– pzaj
Apr 19 '17 at 14:37
...
Adding dictionaries together, Python [duplicate]
...
The first line fails if the keys are anything other than strings.
– Flimm
Mar 14 '16 at 15:49
1
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How to check if a Ruby object is a Boolean
...t is less cryptic in intent than the !!foo == foo.
– stringsn88keys
Nov 14 '17 at 19:38
Downright pythonic! Definitely...
Java heap terminology: young, old and permanent generations?
...ce for class definitions and related data. In Java 6 and earlier, interned strings were also stored in the permanent generation. In Java 7, interned strings are stored in the main object heap.
Here is a good post on permanent generation.
I like the descriptions given for each space in Oracle's gui...
How to view/delete local storage in Firefox?
... Simply enter 'localStorage' as a command and press enter, it'll display a string containing the key-value pairs of localStorage (Tip: Click on that string for formatted output, i.e. to display each key-value pair in each line).
...
Java Generate Random Number Between Two Given Values [duplicate]
...s((100)+numGen.nextInt(100));
return rand;
}
public static void main(String[]Args){
System.out.println(RandNum());
}
}
This program's function lies entirely in line 6 (The one beginning with "int rand...". Note that Math.abs() simply converts the number to absolute value, and it's declar...
Correct way to define Python source code encoding
...egexp - "match", by long-standing convention, means "match anywhere in the string", contrary to Python's API).
– martinjs
Dec 7 '15 at 10:49
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Java, Simplified check if int array contains int
...es work with object types (not primitives):
public boolean contains(final String[] array, final String key) {
return Arrays.asList(array).contains(key);
}
or even:
public <T> boolean contains(final T[] array, final T key) {
return Arrays.asList(array).contains(key);
}
But you ca...
WebClient vs. HttpWebRequest/HttpWebResponse
.... WebClient has a Headers property, you can retrieve the cookie like this: String cookie = webClient.ResponseHeaders(“Set-Cookie”) and set it: webClient.Headers.Add("Cookie", "CommunityServer-UserCookie…");
– Dan
Nov 7 '09 at 21:23
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What is the best way to do a substring in a batch file?
... search, then this modifier expands to the
empty string
The modifiers can be combined to get
compound results:
%~dpI - expands %I to a drive letter and path only
%~nxI - expands %I to a file name and extension only
%~fsI - expands %I to a full pat...