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Why generate long serialVersionUID instead of a simple 1L?
...would've gotten the generated one automatically. So now, you want to start setting it explicitly, setting it to 1L would make it incompatible to the existing class, whereas using the generated value keeps it compatible.
– marc82ch
Apr 14 '16 at 6:05
...
how to find host name from IP with out login to the host
...matically
performs a lookup for a name like 11.12.13.10.in-addr.arpa and sets
the query type and class to PTR and IN respectively.
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Disable all gcc warnings
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
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How to install multiple python packages at once using pip
...me if there are dependencies between the packages, eg: sudo -H pip install setuptools trezor causes this error: "Could not import setuptools which is required to install from a source distribution. Please install setuptools.". Instead, I need to run as 2 separate commands.
– J...
std::unique_lock or std::lock_guard?
...);
std::thread reading(product.read, &product);
std::thread setting(product.task, &product);
reading.join();
setting.join();
product.showData();
return 0;
}
In this example, i used the unique_lock<muType> with condition variable
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What is a serialVersionUID and why should I use it?
...ion: Exception implements Serializable and eclipse warns that you have not set an serialVersionUID, which would be a good idea (if you wan't to serialize the class) to avoid the problems that JonSkeet's post outlines.
– zpon
Oct 8 '14 at 11:48
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Tools to generate database tables diagram with Postgresql? [closed]
...n first try. Layout of generate graph was great (even on our complex table set). When 100 tables reference the same table there will be overlapping lines; however the overall layout compensates for this and is perfectly legible/traceable.
– pretzels1337
Jun 23 ...
How do I install an R package from source?
...
If you have the file locally, then use install.packages() and set the repos=NULL:
install.packages(path_to_file, repos = NULL, type="source")
Where path_to_file would represent the full path and file name:
On Windows it will look something like this: "C:\\RJSONIO_0.2-3.tar.gz".
O...
Converting a Date object to a calendar object [duplicate]
...dar toCalendar(Date date){
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal;
}
Everything else you are doing is both wrong and unnecessary.
BTW, Java Naming conventions suggest that method names start with a lower case letter, so it should be: dateToCalendar or toCalend...
document.getElementById vs jQuery $()
...the web page whereas jQuery objects are basically wrapper objects around a set of DOM elements.
– user3454439
Oct 22 '19 at 7:06
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