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Python - When to use file vs open
...ead of invoking this
constructor directly. file is more
suited to type testing (for example,
writing "isinstance(f, file)").
Also, file() has been removed since Python 3.0.
share
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improve t...
How to not run an example using roxygen2?
... I think the correct answer for what is being asked for is donttest and not dontrun. See ?example and stackoverflow.com/questions/12038160/…. See also cran.r-project.org/web/packages/roxygen2/vignettes/rd.html.
– Julian Karch
Jun 25 '18 at 12:39
...
in iPhone App How to detect the screen resolution of the device
...matches original iPhone density. For most purposes, this means one should test iPad software on iPad mini (to make sure it is useable), then simply ignore the fact that most iPads magnify the image by 20% (compared to iPhone or iPad mini).
– ToolmakerSteve
Dec...
Was PreferenceFragment intentionally excluded from the compatibility package?
...ty or really good motivation to have done that and it isn't great for unit-testing but oh well...less typing I guess...
EDIT v2:
Actually it did happen and it worked. It was definitely a headache to make the code work with the Compatibility API JAR. I had to copy about 70% the com.android.prefere...
Vertically align an image inside a div with responsive height
...
@user1794295 I tested this fiddle on three android device with android v2.3 (Galaxy S II, Galaxy Note, Motorola Droid 4) via browserstack.com, Everything works as I expected.You could find the result here: browserstack.com/screenshots/… ....
Why is semicolon allowed in this python snippet?
...t be clear to which if clause a
following else clause would belong:
if test1: if test2: print x
Also note that the semicolon binds tighter than the colon in this
context, so that in the following example, either all or none of the
print statements are executed:
if x < y < z: prin...
Using NumberPicker Widget with Strings
...ifference
pickers.setWrapSelectorWheel(false);
//create button to test selected text string
btnPicker.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//get position (int) from number picker
int pos = pick...
AngularJS performs an OPTIONS HTTP request for a cross-origin resource
...
NOTE: Not sure it works with the latest version of Angular.
ORIGINAL:
It's also possible to override the OPTIONS request (was only tested in Chrome):
app.config(['$httpProvider', function ($httpProvider) {
//Reset headers to avoid OPTIONS request (aka pre...
Why is the String class declared final in Java?
...can be referred to another object. but what about:- String a = new String("test1"); then, s = "test2"; If String is Final class object then how can it be modified ? How can i use modified final object. Please let me if i wrongly asked anything.
– Suresh Sharma
...
How big is too big for a PostgreSQL table?
...olume of data on the table. Your lucky you know how much data will exist, test it for your volume and see what you get. Testing one table with 90 million rows may be as easy as:
select x,1 as c2,2 as c3
from generate_series(1,90000000) x;
https://wiki.postgresql.org/wiki/FAQ
Limit Value
Max...