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OS X Bash, 'watch' command
...ulate the basic functionality with the shell loop:
while :; do clear; your_command; sleep 2; done
That will loop forever, clear the screen, run your command, and wait two seconds - the basic watch your_command implementation.
You can take this a step further and create a watch.sh script that can...
When and why to 'return false' in JavaScript?
...s, such as onsubmit, returning false is a way to tell the event to not actually fire. So, say, in the onsubmit case, this would mean that the form is not submitted.
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How to get the next auto-increment id in mysql
... Thanks for the first two options.. But the third is just number two called from PHP.. Not sure what makes that faster on large databases...
– Gerard ONeill
Feb 12 '16 at 15:26
...
How to return an array from JNI to Java?
...th the JNI function NewObjectArray(). From the perspective of JNI, that's all a two dimensional array is, an object array containing a number of other inner arrays.
The following for loop creates the inner arrays which are of type int[] using the JNI function NewIntArray(). If you just wanted t...
Static link of shared library function in gcc
How can I link a shared library function statically in gcc?
6 Answers
6
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How to solve the error LNK2019: unresolved external symbol - function?
...l but have not declared that class itself as import/export.
#ifdef MYDLL_EXPORTS
#define DLLEXPORT __declspec(dllexport)
#else
#define DLLEXPORT __declspec(dllimport)
#endif
class DLLEXPORT Book // <--- this class must also be declared as export/import
{
public:
Book();
...
How do I break out of a loop in Perl?
...nd assuming you were just feeding given some scalar variable... but why do all that work just to use a break, it is (very) bad form, not to mention (blah!)just saying, its "possible" just not a good idea & not what you may think it is
– osirisgothra
Sep 1 '...
Can an interface extend multiple interfaces in Java?
...in of the diamond problem?) __Tried it and the sensible thing happens: not allowed if the return type is different.
– Daniel
Jan 6 '15 at 17:38
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jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
... the OPTIONS request and then immediately after that the POST/GET
def send_data(request):
if request.method == "OPTIONS":
response = HttpResponse()
response['Access-Control-Allow-Origin'] = '*'
response['Access-Control-Allow-Methods'] = 'POST, GET, OPTIONS'
resp...
How to declare a variable in a PostgreSQL query
...WITH () query which can work as a variable, or even tuple of variables. It allows you to return a table of temporary values.
WITH master_user AS (
SELECT
login,
registration_date
FROM users
WHERE ...
)
SELECT *
FROM users
WHERE master_login = (SELECT login
...