大约有 41,000 项符合查询结果（耗时：0.0470秒） [XML]
Where can I find the Java SDK in Linux after installing it?
...to see if the current $JAVA_HOME contains a path of lib/tools.jar . In the cast of /usr/lib/jvm/java-8-oracle/bin that is not true, therefore it is not a JDK.
– Zombies
Jan 19 '16 at 7:37
...
Checking if an object is null in C#
...
Luca, you can also avoid equality overrides by casting to 'object' in the test. On a similar vein, this answer should claim this instead: "if((object)data != null)" since it avoids errors when equality has been overriden.
– DAG
Mar 1...
iOS: How to store username/password within an app?
...tants kSecValueData and kSecAttrAccount in Objective-C code, so be sure to cast them using (__bridge id), e.g., [keychainItem setObject:obj forKey:(__bridge id)kSecValueData];
– Joe Hankin
Apr 6 '13 at 23:13
...
What is the “double tilde” (~~) operator in JavaScript? [duplicate]
...oice between Boolean(foo), (foo ? true : false), or !!foo when you want to cast a variable to a boolean.
– Patrick Fisher
Mar 17 '13 at 8:35
14
...
How to count string occurrence in string?
...
Edit: changes I've made
cached substring length
added type-casting to string.
added optional 'allowOverlapping' parameter
fixed correct output for "" empty substring case.
Gist
https://gist.github.com/victornpb/7736865
...
From Arraylist to Array
... in an Object array: public Object[ ] toArray(). The returned array cannot cast to any other data type. This is the simplest version. The second version requires you to pass in the data type of the array you’d like to return: public Object [ ] toArray(Object type[ ]).
public static void main(St...
Using an integer as a key in an associative array in JavaScript
...
Still gets cast to string.
– drew010
Apr 20 '16 at 20:00
1
...
How to change row color in datagridview?
...
Cast them to Integer, then. :-) something like: Convert.ToInt32(dvgr.Cells[7].Value) < Convert.ToInt32(dgvr.Cells[10].Value)
– Demi
Feb 5 '10 at 2:12
...
Why does 2 == [2] in JavaScript?
... actually, it's the funny way == works; if you use an actual explicit cast (ie Boolean([0]) or !![0]), you'll find that [0] will evaluate to true in boolean contexts as it should: in JS, any object is considered true
– Christoph
Nov 24 '09 at 23:09
...
Can we delete an SMS in Android before it reaches the inbox?
... a nice Android-specific UI.
As of Android 1.6, incoming SMS message broadcasts (android.provider.Telephony.SMS_RECEIVED) are delivered as an "ordered broadcast" — meaning that you can tell the system which components should receive the broadcast first.
If you define an android:priority attribut...