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Get free disk space
...h is actually available for the user (due to quotos). TotalFreeSpace lists what is available on the disk, irregardless of what the user can use.
– Roy T.
Oct 20 '17 at 9:14
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How to implement a confirmation (yes/no) DialogPreference?
...Dialog.Builder(this)
.setTitle("Title")
.setMessage("Do you really want to whatever?")
.setIcon(android.R.drawable.ic_dialog_alert)
.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
Toast.makeT...
Ruby class instance variable vs. class variable
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@Phronz What is the difference between self.things and self.class.things you mentioned in code ?
– cyborg
Jun 26 '18 at 7:53
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Check if event exists on element [duplicate]
... you can query $.data( object, 'events' ) and get an object back, then see what events are attached to it.
$.each( foo, function(i,o) {
alert(i) // guid of the event
alert(o) // the function definition of the event handler
});
You can inspect by feeding the object reference ( not the jQue...
How can I read a whole file into a string variable
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Hi,will io.Copy overwrite buf's content ? And what's the capacity of buf ? Thanks.
– WoooHaaaa
Nov 22 '12 at 15:15
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Getting vertical gridlines to appear in line plot in matplotlib
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Well this is odd. What's your ipython version, also try running it like ipython --pylab, and do plt.grid(True) immediately - do you see the grid?
– wim
Apr 18 '13 at 5:09
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Android: how do I check if activity is running?
...lled after onStart in second. So both might be true briefly.
Depending on what you are trying to do (update the current activity from a service?). You could just register a static listener in the service in your activity onStart method then the correct listener will be available when your service w...
Sass Variable in CSS calc() function
... you and it's an answer with so many votes, probably you should understand what the fuss is about. Just my two cents...
– A. Chiesa
Aug 21 '19 at 22:04
1
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Why should a function have only one exit-point? [closed]
...ario. BTW, the real key to "single exit point" lies in understanding that what matters is that for each particular call to a normal function, the exit point is the point immediately after the call. Programmers nowadays take that for granted, but things were not always thus. In some rare cases cod...
Most efficient way to check for DBNull and then assign to a variable?
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I must be missing something. Isn't checking for DBNull exactly what the DataRow.IsNull method does?
I've been using the following two extension methods:
public static T? GetValue<T>(this DataRow row, string columnName) where T : struct
{
if (row.IsNull(columnName))
re...