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How does the const constructor actually work?
...r because the field 'j' is initialized with a non-constant value
Runtime Error:
/main.dart': error: line 5 pos 17: expression is not a valid compile-time constant
final int j = new DateTime.now().millisecond;
shar...
Should I use tag for icons instead of ? [closed]
...<icon></icon> </body> </html> and you get a single error, saying Error: Element icon not allowed as child of element body in this context.
– Digital Ninja
Dec 1 '18 at 1:18
...
Is XSLT worth it? [closed]
...es>
<FixedBugs>
<Bug id="123" component="Admin">Error when clicking the Foo button</Bug>
<Bug id="125" component="Core">Crash at startup when configuration is missing</Bug>
<Bug id="127" component="Admin">Error when clicking the Bar ...
Git Symlinks in Windows
...wd)
if [ ! -e "${target_dir}/${source_file_or_dir}" ]; then
printf 'error: git-add-symlink: %s: No such file or directory\n' \
"${target_dir}/${source_file_or_dir}" >&2
printf '(Source MUST be a path relative to the location of target!)\n' >&2
return 2
fi
gi...
What is The Rule of Three?
... into trouble:
"I pushed a person into a vector and now I get crazy memory errors!"
Remember that by default, copying an object means copying its members,
but copying the name member merely copies a pointer, not the character array it points to!
This has several unpleasant effects:
Changes via a ca...
How do I choose grid and block dimensions for CUDA kernels?
... those limits, any kernel you can successfully compile will launch without error.
Performance Tuning:
This is the empirical part. The number of threads per block you choose within the hardware constraints outlined above can and does effect the performance of code running on the hardware. How each co...
Why does Python print unicode characters when the default encoding is ASCII?
... with some bogus encoding:
$ export LC_CTYPE=klingon
# we should get some error message here, just ignore it.
Then start the python shell again and verify that it does indeed revert to its default ascii encoding.
$ python
>>> import sys
>>> print sys.stdout.encoding
ANSI_X3.4-...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
....table, too. The := isn't for doing that. So the following is a deliberate error as := isn't for just binding object names :
DT2 := DT # not what := is for, not defined, gives a nice error
:= is for subassigning by reference. But you don't use it like you would in base :
DT[3,"foo"] := newval...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...tead of event we now have change and context.
The given example throws an error complaining that event.data is undefined. This pattern seems to work better:
exports.countPrescriptions = functions.database.ref(`/prescriptions`).onWrite((change, context) => {
const data = change.after.val();
...
Keyword for the outer class from an anonymous inner class [duplicate]
...thod. But if you try to use "a.this" in that case, you will get a compiler error.
– rents
Apr 16 '17 at 21:03
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