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How do DATETIME values work in SQLite?
...ions can chose to store dates and times in any of these formats and freely convert between formats using the built-in date and time functions.
SQLite built-in Date and Time functions can be found here.
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Programmatically obtain the Android API level of a device?
...obtain API level programatically by the system constant (Build.VERSION.SDK_INT). For example you can run some piece of code which requires newer API in the following way (it will execute if the current device's API level is at least 4)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.DONUT) {
}...
Can I call a constructor from another constructor (do constructor chaining) in C++?
... syntax is slightly different from C#:
class Foo {
public:
Foo(char x, int y) {}
Foo(int y) : Foo('a', y) {}
};
C++03: No
Unfortunately, there's no way to do this in C++03, but there are two ways of simulating this:
You can combine two (or more) constructors via default parameters:
class...
What are forward declarations in C++?
... to contain very clever logic to try and work out which 'add' you actually intended to call, when the 'add' function may live in a different object file the linker is joining with the one that uses add to produce a dll or exe. It's possible that the linker may get the wrong add. Say you wanted to us...
Subclassing a Java Builder class
...hods a generic argument.
public class NutritionFacts {
private final int calories;
public static class Builder<T extends Builder<T>> {
private int calories = 0;
public Builder() {}
public T calories(int val) {
calories = val;
...
Difference between java.io.PrintWriter and java.io.BufferedWriter?
...orrectly.
The BufferedReader permits to read a text from file, with bytes converted in characters. It allows to read line by line.
There is no PrintReader, you have to choose another Reader implementation according to the format of your input.
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Android: ListView elements with multiple clickable buttons
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it would be great to have answers in SO itself and not point to some other page. The blog link is dead!
– gsb
Apr 8 '15 at 18:41
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Javascript parseInt() with leading zeros
...value, the radix is 10 (decimal).
If the first character cannot be converted to a number, parseInt returns NaN.
And from the ECMAScript 3 standard:
When radix is 0 or undefined and the string's number begins with a 0
digit not followed by an x or X, then the implementation may, at it...
https connection using CURL from command line
...for example) into DER encoded binary x.509(.cer). Do this for each cert.
Convert the certs into PEM, and concat them into 1 file.
openssl x509 -inform DES -in file1.cer -out file1.pem -text
openssl x509 -inform DES -in file2.cer -out file2.pem -text
openssl x509 -inform DES -in file3.cer -out fi...
Pass a PHP array to a JavaScript function [duplicate]
...ation ie, JavaScript. PHP has a built in function json_encode(), which can convert any data to JSON format. The output of the json_encode function will be a string like this.
{
"employee_id": 10011,
"Name": "Nathan",
"Skills": {
"0": "analyzing",
"documentation": [
...