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Why covariance and contravariance do not support value type
...ble at a source code level. In effect, only the "boxed" form is considered by the underlying system to be a subtype of object, but the compiler automatically deals with this whenever a value type is assigned to a compatible interface or to something of type object.
– Steve
...
Stop form refreshing page on submit
...lt() will stop the submit.
Without jQuery:
var form = document.getElementById("myForm");
function handleForm(event) { event.preventDefault(); }
form.addEventListener('submit', handleForm);
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Hibernate Annotations - Which is better, field or property access?
...te had issues with field access of @Id fields.
– Rob Bygrave
May 24 '10 at 1:38
11
this answer is...
Partly JSON unmarshal into a map in Go
...l act as value identifier, telling the Go server what kind of value it is. By knowing what type of value, I can then proceed to JSON unmarshal the value into the correct type of struct.
...
Git “error: The branch 'x' is not fully merged”
...mmits and they don't seem identical.
Therefore you could avoid the warning by checking out a branch that does contain the commits that you're about un-reference by deleting that other branch.²
You will want to verify that you in fact aren't missing any vital commits:
git log --graph --left-right --...
What causes a TCP/IP reset (RST) flag to be sent?
...blem. None of the proposed solutions worked.
Turned out that our sysadmin by mistake assigned the same static IP to two unrelated servers belonging to different groups, but sitting on the same network. The end results were intermittently dropped vnc connections, browser that had to be refreshed sev...
Autowiring two beans implementing same interface - how to set default bean to autowire?
...viceDao implements DeviceDao
Or if you want your Jdbc version to be used by default:
<bean id="jdbcDeviceDao" primary="true" class="com.initech.service.dao.jdbc.JdbcDeviceDao">
@Primary is also great for integration testing when you can easily replace production bean with stubbed version ...
How to resolve symbolic links in a shell script
... between two files.
realpath $path
[Admin addition below from comment by halloleo —danorton]
For Mac OS X (through at least 10.11.x), use readlink without the -f option:
readlink $path
Editor's note: This will not resolve symlinks recursively and thus won't report the ultimate target; e....
JavaScript seconds to time string with format hh:mm:ss
...call .toString() on the integer. you can make it work the other way around by parsing int too
– Sonic Soul
Jun 26 '15 at 21:13
56
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Breakpoint on property change
...ols:
Original answer (2012.07):
A console.watch sketch as suggested by @katspaugh:
var console = console || {}; // just in case
console.watch = function(oObj, sProp) {
var sPrivateProp = "$_"+sProp+"_$"; // to minimize the name clash risk
oObj[sPrivateProp] = oObj[sProp];
// overwr...