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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...ou use empty array or empty list, those are objects and they are stored in memory. Than Garbage Collector has to take care of them. If you are dealing with high throughput application, it could be noticeable impact.
Enumerable.Empty does not create an object per call thus putting less load on GC.
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How to display loading message when an iFrame is loading?
I have an iframe that loads a third party website which is extremely slow to load.
9 Answers
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GOBIN not set: cannot run go install
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you have a bin folder within your GOPATH folder.
See GOPATH environment variable (where 'DIR' is a GOPATH folder):
The bin directory holds compiled commands.
Each command is named for its source directory, but only the final element, not the entire path. That is, the command with sourc...
How do I get the APK of an installed app without root access?
...issions on that directory are rwxrwx--x. Execute permission on a directory means you can access it, however lack of read permission means you cannot obtain a listing of its contents -- so in order to access it you must know the name of the file that you will be accessing. Android's package manager w...
Read lines from a file into a Bash array [duplicate]
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Latest revision based on comment from BinaryZebra's comment
and tested here. The addition of command eval allows for the expression to be kept in the present execution environment while the expressions before are only held for the duration of the eval....
How can I get my Twitter Bootstrap buttons to right align?
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@guival I was wondering the same thing. stackoverflow.com/a/26546770/470749 implies that using button instead of input will make a difference.
– Ryan
Jul 14 '18 at 12:12
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Return a value if no rows are found in Microsoft tSQL
...efer that false (0) is returned in that scenario. Looking for the simplest method to account for no records.
12 Answers
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How to fully remove Xcode 4
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If you've downloaded Xcode from the App Store, it's self-contained, as @mediaslave suggests. You can just drag it to the trash or use AppZapper (or a similar utility) to remove the developer tools.
If you're looking to update it, you can also do that straight through the App Store.
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check android application is in foreground or not? [duplicate]
...kground application with ActivityManager.getRunningAppProcesses() call.
Something like,
class ForegroundCheckTask extends AsyncTask<Context, Void, Boolean> {
@Override
protected Boolean doInBackground(Context... params) {
final Context context = params[0].getApplicationContext();
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What is the perfect counterpart in Python for “while not EOF”
To read some text file, in C or Pascal, I always use the following snippets to read the data until EOF:
7 Answers
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