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How to create a zip file in Java
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Java 7 has ZipFileSystem built in, that can be used to create, write and read file from zip file.
Java Doc: ZipFileSystem Provider
Map<String, String> env = new HashMap<>();
// Create the zip file if it doesn't exist
env.put("create", "tru...
Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
...ends permission from each user. user_friends is no longer included by default in every login. Each user must grant the user_friends permission in order to appear in the response to /me/friends. See the Facebook upgrade guide for more detailed information, or review the summary below.
If you want to...
How do you give iframe 100% height [duplicate]
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You can do it with CSS:
<iframe style="position: absolute; height: 100%; border: none"></iframe>
Be aware that this will by default place it in the upper-left corner of the page, but I guess that is what you want to achieve. You can pos...
How do I get rid of “[some event] never used” compiler warnings in Visual Studio?
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Or you can add <NoWarn>67</NoWarn> to your project
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<NoWarn>67</NoWarn>
</PropertyGroup>
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In Python, using argparse, allow only positive integers
...or you:
def check_positive(value):
ivalue = int(value)
if ivalue <= 0:
raise argparse.ArgumentTypeError("%s is an invalid positive int value" % value)
return ivalue
parser = argparse.ArgumentParser(...)
parser.add_argument('foo', type=check_positive)
This is basically just...
An invalid form control with name='' is not focusable
...ms a validation each time the button is clicked because submit is the default value of a button's type attribute.
To solve the problem, if you have a button on your page that does something else other than submit or reset, always remember to do this: <button type="button">.
Also see https://...
C#/Linq: Apply a mapping function to each element in an IEnumerable?
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You can just use the Select() extension method:
IEnumerable<int> integers = new List<int>() { 1, 2, 3, 4, 5 };
IEnumerable<string> strings = integers.Select(i => i.ToString());
Or in LINQ syntax:
IEnumerable<int> integers = new List<int>() { 1, 2, 3...
Integrate ZXing in Android Studio
...).initiateScan();
}
});
public void onActivityResult(int requestCode, int resultCode, Intent data) {
IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
if(result != null) {
if(result.getContents() == null) {...
Deep null checking, is there a better way?
...more accurately be called "The Suggestion of Demeter". And second, the result of taking "only one member access" to its logical conclusion is "God objects" where every object is required to do everything for every client, rather than being able to hand out objects that know how to do what the client...
Insert current date in datetime format mySQL
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<?php $date= date("Y-m-d");
$time=date("H:m");
$datetime=$date."T".$time;
mysql_query(INSERT INTO table (`dateposted`) VALUES ($datetime));
?>
<form action="form.php" method="get">
<input type="datetime-local" ...