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How to use multiple AWS Accounts from the command line?
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You should be able to use the following command-options in lieu of the EC2_PRIVATE_KEY (and even EC2_CERT) environment variables:
-K <private key>
-C <certificate>
You can put these inside aliases, e.g.
alias ec2-describe-instances1 ec2-describe-instan...
How to move an element into another element?
...no need for jquery in 2017 but sometimes it helps to use something lighter and similar for tasks you find yourself doing over and over again in every single project. i use cash-dom as an easy way to listen for document.ready, window.load events in a cross-browser friendly way. easy-peasy.
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How to have an automatic timestamp in SQLite?
I have an SQLite database, version 3 and I am using C# to create an application that uses this database.
7 Answers
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How to download and save a file from Internet using Java?
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public void saveUrl(final String filename, final String urlString)
throws MalformedURLException, IOException {
BufferedInputStream in = null;
FileOutputStream fout = null;
try {
in = new BufferedInputStream(new URL(urlStrin...
How to increment a pointer address and pointer's value?
...str)
{
cout<<*str<<endl; // printing the string
*str++; // incrementing the address(pointer)
// check above about the prcedence and associativity
}
free(str[0]);
free(str[1]);
fr...
How can I provide multiple conditions for data trigger in WPF?
...example:
Suppose we want to do some actions if the property Text="" (empty string) AND IsKeyboardFocused="False", then your code should look like the following:
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="Text" Value="" />
<Condition Proper...
Automate ssh-keygen -t rsa so it does not ask for a passphrase
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OK this was because I used dzdo command in front of it, so I had to write: dzdo -i -u target_user ssh-keygen -f id_rsa -t rsa -N "''"
– Anthony O.
Dec 9 '15 at 15:09
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ArrayList vs List in C#
...type into it.
You can store any values (value type or reference type) such string, int, employee and object in the ArrayList. (Note and)
Boxing and Unboxing will happen.
Not type safe.
It is older.
List is Generic
It is a Type of Type, so you can specify the T on run-time.
You can store an only ...
What is a serialVersionUID and why should I use it?
...VersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization. If the receiver has loaded a class for the object that has a different serialVersionUID than that of t...
How do I change the color of the text in a UIPickerView under iOS 7?
...in the delegate method that is more elegant:
Objective-C:
- (NSAttributedString *)pickerView:(UIPickerView *)pickerView attributedTitleForRow:(NSInteger)row forComponent:(NSInteger)component
{
NSString *title = @"sample title";
NSAttributedString *attString =
[[NSAttributedString ...