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Objective-C : BOOL vs bool
... the compiler will raise an error if you use bool as a parameter of a block that is defined to get a BOOL (UIView animation blocks, e.g.), when you compile for iOS 32 bits (iPhone 5C...). I use C++ bool everywhere in my code, and BOOL in the APIs that are defined with BOOL
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What is IP address '::1'?
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Xaqron, maybe a firewall is blocking v4 but not v6 traffic?
– SilverbackNet
Jan 6 '11 at 3:25
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How can I pass a parameter to a Java Thread?
...passing a parameter to an anonymous class, with the use of the initializer blocks. Consider this:
String someValue = "Another demo, no serious thing...";
int anotherValue = 42;
new Thread(new Runnable() {
private String myParam;
private int myOtherParam;
{
this.myParam = someVa...
LAST_INSERT_ID() MySQL
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It would be possible to save the last_id_in_table1 variable into a php variable to use it later?
With this last_id I need to attach some records in another table with this last_id, so I need:
1) Do an INSERT and get the last_id_in_table1
INSERT into Table1(name) values ("AAA");
SET @l...
How to open the default webbrowser using java
...ion | URISyntaxException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}else{
Runtime runtime = Runtime.getRuntime();
try {
runtime.exec("xdg-open " + url);
} catch (IOException e...
How to stop a goroutine
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In my case, I have a goroutine that will be blocked on a system call, and I need to tell it to abort the system call and then exit. If I were blocked on a channel read, it would be possible to do as you suggest.
– Omnifarious
Feb ...
How to know if an object has an attribute in Python
...ll it and either let the exception propagate, or trap it with a try/except block. This will likely be faster than hasattr. If the property is likely to not be there most of the time, or you're not sure, using hasattr will probably be faster than repeatedly falling into an exception block.
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Why does this iterative list-growing code give IndexError: list assignment index out of range?
...that this can be very confusing for those coming from other languages like PHP or C. j is a type of list, not an array. With list type, I don't think this is subscriptable. Very confusing if coming from other languages.
– Nguai al
Jan 12 '19 at 23:24
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...s. This is mainly a client issue though. I think ActiveMQ Apollo has a non-blocking dispatcher that purportedly fixes that issue for AMQP. The RabbitMQ client has channels that allow you to combine multiple consumers but there are still issues with large number of consumers potentially causing deadl...
How to check if mysql database exists
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* OK, apparently PHPMyAdmin just displays all database names in lower case, and your query works using both anyway
– Hubro
Jun 15 '12 at 13:21
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