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How to use multiple AWS Accounts from the command line?
...en EC2_CERT) environment variables:
-K <private key>
-C <certificate>
You can put these inside aliases, e.g.
alias ec2-describe-instances1 ec2-describe-instances -K /path/to/key.pem
share
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Changing Java Date one hour back
...
java.util.Calendar
Calendar cal = Calendar.getInstance();
// remove next line if you're always using the current time.
cal.setTime(currentDate);
cal.add(Calendar.HOUR, -1);
Date oneHourBack = cal.getTime();
java.util.Date
new Date(...
How to fully remove Xcode 4
...code from the App Store, it's self-contained, as @mediaslave suggests. You can just drag it to the trash or use AppZapper (or a similar utility) to remove the developer tools.
If you're looking to update it, you can also do that straight through the App Store.
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how to remove shared preference while application uninstall in android
I have an android application to save the login details such as user name and password via SharedPreferences thats works fine, but i need to remove all my used SharedPreferences while my application uninstall. How to do it?
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Extract a part of the filepath (a directory) in Python
...ame(os.path.dirname(file)) ## directory of directory of file
...
And you can continue doing this as many times as necessary...
Edit: from os.path, you can use either os.path.split or os.path.basename:
dir = os.path.dirname(os.path.dirname(file)) ## dir of dir of file
## once you're at the direct...
Where is the list of predefined Maven properties
...ding , or project.build.sourceDirectory ). I once saw the list but I just can't find it again.
6 Answers
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PHP DOMDocument errors/warnings on html5-tags
I've been attempting to parse HTML5-code so I can set attributes/values within the code, but it seems DOMDocument(PHP5.3) doesn't support tags like <nav> and <section> .
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Is there a portable way to print a message from the C preprocessor?
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Which begs the question, can you put a directive based on a compilation flag to swap "pragma message" and "warning" somehow? For example, something like: #ifdef _LINUX #define #preprocmsg "#warning" else #define #preprocmsg "#pragma message"... I'll ...
Find first element by predicate
...
No, filter does not scan the whole stream. It's an intermediate operation, which returns a lazy stream (actually all intermediate operations return a lazy stream). To convince you, you can simply do the following test:
List<Integer> list =...
How to handle back button in activity
...
You can handle it like this:
for API level 5 and greater
@Override
public void onBackPressed() {
// your code.
}
older than API 5
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyE...