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Catching java.lang.OutOfMemoryError?
...ant to catch OutOfMemory error: when it is caused by trying to allocate an array with more than 2G elements. The error name is a bit of a misnomer in this case, but it is still an OOM.
– Charles Roth
May 5 '16 at 19:02
...
Most efficient way to determine if a Lua table is empty (contains no entries)?
... way to determine if a table is empty (that is, currently contains neither array-style values nor dict-style values)?
8 Ans...
jQuery OR Selector?
...d probably be to use the jQuery selector comma construct (which returns an array of found elements) in this fashion:
element = $('#someParentElement').find('.somethingToBeFound, .somethingElseToBeFound')[0];
which will return the first found element.
I use that from time to time to find either a...
Expansion of variables inside single quotes in a command in Bash
...un a command from the shell, what that command receives as arguments is an array of null-terminated strings. Those strings may contain absolutely any non-null character.
But when the shell is building that array of strings from a command line, it interprets some characters specially; this is design...
Passing a String by Reference in Java?
...tring data; }
void fillString(Container c) { c.data += "foo"; }
Create an array:
new String[] zText = new String[1];
zText[0] = "";
void fillString(String[] zText) { zText[0] += "foo"; }
From a performance point of view, the StringBuilder is usually the best option.
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Difference between case object and object
...ala> import java.io._
import java.io._
scala> val bos = new ByteArrayOutputStream
bos: java.io.ByteArrayOutputStream =
scala> val oos = new ObjectOutputStream(bos)
oos: java.io.ObjectOutputStream =...
print call stack in C or C++
...
For a linux-only solution you can use backtrace(3) that simply returns an array of void * (in fact each of these point to the return address from the corresponding stack frame). To translate these to something of use, there's backtrace_symbols(3).
Pay attention to the notes section in backtrace(3)...
Removing viewcontrollers from navigation stack
...
Use this code and enjoy:
NSMutableArray *navigationArray = [[NSMutableArray alloc] initWithArray: self.navigationController.viewControllers];
// [navigationArray removeAllObjects]; // This is just for remove all view controller from navigation stack.
[nav...
How to properly match varargs in Mockito
...riptionOf(hamcrestMatcher);
}
}
Then you can use it with hamcrest's array matchers thus:
verify(a).b(VarArgMatcher.varArgThat(
org.hamcrest.collection.IsArrayContaining.hasItemInArray("Test")));
(Obviously static imports will render this more readable.)
...
How to clear/remove observable bindings in Knockout.js?
...ch with template then it should work fine in case of collections/observableArray.
You may find this scenario useful.
<ul data-bind="template: { name: 'template', foreach: Events }"></ul>
<script id="template" type="text/html">
<li><span data-bind="text: Name"><...