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Does every Javascript function have to return a value?
...ed resolves to a different value. Most (if not all) browsers will throw an error when you attempt to reassign undefined, but in theory, it's possible here's an example using node.js
– Elias Van Ootegem
Nov 14 '15 at 10:11
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Can I add jars to maven 2 build classpath without installing them?
...ecuting installation command for each lib is kinda annoying and definitely error prone, I've created a utility script which automatically installs all the jars from a lib folder to a project repository, while automatically resolving all metadata (groupId, artifactId and etc.) from names of files. Th...
Reference assignment operator in PHP, =&
...eating $y['z'] if it doesn't exist, and setting it to null.
This prevents error messages that you might have wanted to read. I haven't found documentation on this yet; possibly new in 5.3, for all I know.
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Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
...created and redrawn, which isn't always desirable.
After lots of trial and error, I found a solution that works for me:
private static View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (view != null) {
ViewGroup ...
Visual Studio 2010 annoyingly opens documents in wrong MDI pane
...w Horizontal Tab Group" command to split #1 into #1 and #2, then move your errors window into that?
I would just try resetting the window layout and see if that fixes it.
First, Window -> Close All Documents
Then, Window -> Reset Window Layout
Exit VS to be sure, then go back in.
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Should I use static_cast or reinterpret_cast when casting a void* to whatever
... in memory via a char*, for example), static_cast will generate a compiler error and you'll be forced to use reinterpret_cast anyway.
In practice I use reinterpret_cast because it's more descriptive of the intent of the cast operation. You could certainly make a case for a different operator to des...
When would you use a WeakHashMap or a WeakReference?
...ap (to prevent them from hanging in memory after connection close, say, on error) and being able to retrieve all their listeners if needed. So, could you please state, what is exactly wrong with that approach?
– Damaged Organic
Sep 27 '17 at 19:37
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Get item in the list in Scala?
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Lift is beautiful. I can avoid arrayIndexOutOfBound errors, without checking size of array..
– Naveen Sachar
Mar 27 '17 at 6:09
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Check if an apt-get package is installed and then install it if it's not on Linux
...s upon finding that the package is missing, such as simply exiting with an error code.
REQUIRED_PKG="some-package"
PKG_OK=$(dpkg-query -W --showformat='${Status}\n' $REQUIRED_PKG|grep "install ok installed")
echo Checking for $REQUIRED_PKG: $PKG_OK
if [ "" = "$PKG_OK" ]; then
echo "No $REQUIRED_P...
How can I change property names when serializing with Json.net?
...a different version of Newtonsoft.Json package. (it may not even throw any error). The DefaultContractResolver must be put in the same assembly where JsonConvert.Serialize() method is used.
– Artemious
Jan 29 '18 at 23:32
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