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Why must wait() always be in synchronized block
...ronized block, otherwise an IllegalMonitorStateException is thrown. But what's the reason for making this restriction? I know that wait() releases the monitor, but why do we need to explicitly acquire the monitor by making particular block synchronized and then release the monitor by calling ...
Listing all extras of an Intent
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Here's what I used to get information on an undocumented (3rd-party) intent:
Bundle bundle = intent.getExtras();
if (bundle != null) {
for (String key : bundle.keySet()) {
Log.e(TAG, key + " : " + (bundle.get(key) != nu...
Best practice for instantiating a new Android Fragment
...ments
myFragment.setArguments(args);
Its a good way to tell other classes what arguments it expects to work faithfully(though you should be able to handle cases if no arguments are bundled in the fragment instance).
So, my take is that using a static newInstance() to instantiate a fragment is a g...
Indentation shortcuts in Visual Studio
...tart typing and it will replace the contents of your square selection with what you type. Absolutely awesome for changing a bunch of lines at once.
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Determine if Android app is being used for the first time
...e first start in a new version. You can use this information to display a "Whats new" dialog, for example.
The following code should work from any android class that "is a context" (activities, services, ...). If you prefer to have it in a separate (POJO) class, you could consider using a "static c...
Best way to iterate through a Perl array
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WHAT??? I had thought the whole point of GC was once a ref count == 0, the memory involved becomes recyclable.
– CodeClown42
May 7 '12 at 20:07
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How to check if a DateTime occurs today?
...o, just compare the Date property, and you're done.
However, this depends what "today" actually means. If something is posted shortly before midnight, it will be "old" after a short time. So maybe it would be best to keep the exact story date (including time, preferably UTC) and check if less than ...
Print Var in JsFiddle
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Exactly what I was looking for!
– Pratyush
Sep 30 '14 at 7:28
44
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Unit testing for C++ code - Tools and methodology [closed]
... book mentions, "legacy code is code without unit tests," which is exactly what this question is about.
– David Johnstone
Oct 7 '10 at 5:33
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namedtuple and default values for optional keyword arguments
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What's the analog for the idiom my_list: List[T] = None self.my_list = my_list if my_list is not None else []? Can we not use default parameters like this?
– weberc2
Apr 19 '18 at 21:29
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