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Printing HashMap In Java
... String value = example.get(name).toString();
System.out.println(key + " " + value);
}
Update for Java8:
example.entrySet().forEach(entry->{
System.out.println(entry.getKey() + " " + entry.getValue());
});
If you don't require to print key value and just ne...
Why is require_once so bad to use?
Everything I read about better PHP coding practices keeps saying don't use require_once because of speed.
14 Answers
...
Calling Java varargs method with single null argument?
... foo(bar);
}
private static void foo(Object...args) {
System.out.println("foo called, args: " + asList(args));
}
}
Output:
foo called, args: [a, b, c]
foo called, args: [null, null]
foo called, args: [null]
foo called, args: [null]
...
Using PowerShell to write a file in UTF-8 without the BOM
Out-File seems to force the BOM when using UTF-8:
13 Answers
13
...
How does one reorder columns in a data frame?
How would one change this input (with the sequence: time, in, out, files):
11 Answers
...
Fade In Fade Out Android Animation in Java
...mation of an ImageView that spends 1000ms fading in and then 1000ms fading out.
11 Answers
...
What is an initialization block?
... // Runs once (when the class is initialized)
static {
System.out.println("Static initalization.");
staticVariable = 5;
}
// Instance initialization block:
// Runs each time you instantiate an object
{
System.out.println("Instance initialization.");
...
Creating C formatted strings (not printing them)
...
the snprintf aren't the safest way to go about. You should go with snprintf_s. See msdn.microsoft.com/en-us/library/f30dzcf6(VS.80).aspx
– joce
Apr 29 '09 at 23:17
...
Python Pandas: Get index of rows which column matches certain value
...e, False, False, True, True]},
index=[10,20,30,40,50])
In [53]: df
Out[53]:
BoolCol
10 True
20 False
30 False
40 True
50 True
[5 rows x 1 columns]
In [54]: df.index[df['BoolCol']].tolist()
Out[54]: [10, 40, 50]
If you want to use the index,
In [56]: idx = df.index[df...
How to send SMS in Java
...ration portList;
private InputStream inputStream = null;
private OutputStream outputStream = null;
private SerialPort serialPort;
String readBufferTrial = "";
/** Creates a new instance of GSMConnect */
public GSMConnect(String comm) {
this.comPort = comm;
...