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Should IBOutlets be strong or weak under ARC?
...t practice from Apple is for IBOutlets to be strong unless weak is specifically needed to avoid a retain cycle. As Johannes mentioned above, this was commented on in the "Implementing UI Designs in Interface Builder" session from WWDC 2015 where an Apple Engineer said:
And the last option I want...
How to set a Timer in Java?
...rm a task for a given period of time, you could do the following:
ExecutorService service = Executors.newSingleThreadExecutor();
try {
Runnable r = new Runnable() {
@Override
public void run() {
// Database task
}
};
Future<?> f = service.subm...
Find where python is installed (if it isn't default dir)
...isn't in it's default directory, there surely is a way of finding it's install location from here?
11 Answers
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Is it possible to GROUP BY multiple columns using MySQL?
...garding SUM using with GROUP BY. If GROUP BY only by one column, then SUMs all values of each distinct (different) the column value sqlfiddle.com/#!9/1cbde2/2. If GROUP BY two columns. Then mysql at first checks if for the first column value there are different values in the second column. If yes, t...
iPhone Data Usage Tracking/Monitoring
...
The thing is that pdp_ip0 is one of interfaces, all pdpXXX are WWAN interfaces dedicated to different functions, voicemail, general networking interface.
I read in Apple forum that :
The OS does not keep network statistics on a process-by-process basis. As such, there's n...
What are all possible pos tags of NLTK?
How do I find a list with all possible pos tags used by the Natural Language Toolkit (nltk)?
8 Answers
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Android Studio - local path doesn't exist
...reBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=http\://services.gradle.org/distributions/gradle-1.11-all.zip
3.Sync project with gradle files by pressing the button to the left of the avd button
4.Try to build project again. If still having issues possibly try File > Inva...
How To Change DataType of a DataColumn in a DataTable?
... of the column after the DataTable is filled, you can change it after you call FillSchema, but before you call Fill. For example, say the 3rd column is the one you want to convert from double to Int32, you could use:
adapter.FillSchema(table, SchemaType.Source);
table.Columns[2].DataType = typeof (...
Why use a public method in an internal class?
...presents the key, documented functionality provided by this object."
Basically, my attitude is: suppose I decided to make this internal class into a public class. In order to do that, I want to change exactly one thing: the accessibility of the class. If turning an internal class into a public clas...
How to alter SQL in “Edit Top 200 Rows” in SSMS 2008
...the edit default to 300:
Go to Tools in top nav
Select options, then SQL Service Object Explorer (on left)
On right side of panel, click into the field that contains 200 and change to 300 (or whatever number you wish)
Click OK and voila, you're all set!
...