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Row count with PDO
... console application for example), you have to use an unbuffered query, in order to reduce the amount of memory used. But this is the actual case when rowCount() won't be available, thus there is no use for this function as well.
Hence, that's the only use case when you may possibly need to run an e...
C++: What is the size of an object of an empty class?
...en though its not required to assign any memory for an empty class, but in order to make objects of empty classes, compiler assigns the minimum memory that can be assigned, which is 1 byte. This way compiler can distinguish two objects of the same empty class uniquely, and will able to assign the ad...
JQuery: detect change in input field [duplicate]
...d your chosen event to the input, don't use the shortcuts like $.keydown() etc because as of jQuery 1.7 $.on() is the preferred method to attach event handlers (see here: http://api.jquery.com/on/ and http://api.jquery.com/bind/).
$.keydown() is just a shortcut to $.bind('keydown'), and $.bind() is...
What is a coroutine?
...oluntarily yield control periodically or when idle or logically blocked in order to enable multiple applications to be run concurrently.
– smwikipedia
Oct 5 '18 at 4:02
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Get name of currently executing test in JUnit 4
...rameterized tests "name.getMethodName()" will return {testA[0], testA[1], etc} thus I use some like : assertTrue(name.getMethodName().matches("testA(\[\\d\])?"));
– Legna
May 28 '14 at 13:39
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Allow User to input HTML in ASP.NET MVC - ValidateInput or AllowHtml
...hat controller to be executed.
However, it depends on your code, filters, etc. how the response is generated and whether there is any further validation that might trigger another similar error.
In any case, adding [AllowHtml] attribute is the right answer, as it allows html to be deserialized in ...
“Inspect” a hover element?
...lly stay as-is even when I mouseover to other places like Inspect Element, etc.
You can just refresh the browser when doing inspecting the menu dropdown elements to go back to normal state.
Hope this helps. :)
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Convenient C++ struct initialisation
... Comments in sync? Give me a break. Safety goes through the window. Reorder the parameters and boom. Much better with explicit FooBar::FooBar(int foo, float bar) : foo(foo), bar(bar) . Note the explicit keyword. Even breaking the standard is better in regards to safety. In Clang: -Wno-c99-exten...
How do you force a CIFS connection to unmount
...ly. I tried everything else above and the cifs mount disappeared from my /etc/mtab listing but it cannot be remounted, so it's effectively useless. The cifs mount freezes when my computer suspends itself while the cifs share is mounted.
– DH4
Sep 23 '12 at 1...
MySQL error 2006: mysql server has gone away
...r to be a very low default setting of max_allowed_packet.
Raising it in /etc/my.cnf (under [mysqld]) to 8 or 16M usually fixes it. (The default in MySql 5.7 is 4194304, which is 4MB.)
[mysqld]
max_allowed_packet=16M
Note: Just create the line if it does not exist
Note: This can be set on you...