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How to get existing fragments when using FragmentPagerAdapter
...create Fragments for your ViewPager, but upon Activity recreation (whether from a device rotation or the system killing your App to regain memory) these Fragments won't be created again, but instead their instances retrieved from the FragmentManager. Now say your Activity needs to get a reference to...
Save An Image To Application Documents Folder From UIView On IOS
...esentation(image);
This pulls out PNG data of the image you've captured. From here, you can write it to a file:
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsPath = [paths objectAtIndex:0]; //Get the docs directory
NSString...
Create an instance of a class from a string
...
How to use it without casting and how to do the cast from the given string??
– TaW
Apr 25 '16 at 12:16
2
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How to communicate between iframe and the parent site?
...ello') {
alert('It works!');
}
};
If you are posting message from iframe to parent window
window.top.postMessage('hello', '*')
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How to send an email from JavaScript
...lso Thunderbird which have the firefox gecko engine: it can open web pages from hyperlinks in e-mails as new tabs.
– user2284570
Nov 9 '13 at 20:02
11
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Wireshark localhost traffic capture [closed]
...
I haven't actually tried this, but this answer from the web sounds promising:
Wireshark can't actually capture local packets on windows XP due to
the nature of the windows TCP stack. When packets are sent and
received on the same machine they don't seem to cross t...
How to git log from all branches for the author at once?
...r command is right, since you use the --all switch which gives all commits from all branches. To answer the question in your comment, it works also in bare repositories.
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How do I find the duplicates in a list and create another list with them?
... @watsonic: Your "simple switch" fails to reduce the time complexity from quadratic to squared in the general case. Replacing l with set(l) only reduces the worst-case time complexity and hence does nothing to address the larger-scale efficiency concerns with this answer. It probably wasn't so...
How to drop into REPL (Read, Eval, Print, Loop) from Python code
...PL at an arbitrary point in its execution, even if the script was launched from the command line?
6 Answers
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How to pick just one item from a generator?
... else:
do_generator_empty()
If you want "get just one element from the [once generated] generator whenever I like" (I suppose 50% thats the original intention, and the most common intention) then:
gen = myfunct()
while True:
...
if something:
for my_element in gen:
...