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Simplest way to read json from a URL in java
...tStreamReader;
import java.io.Reader;
import java.net.URL;
import java.nio.charset.Charset;
import org.json.JSONException;
import org.json.JSONObject;
public class JsonReader {
private static String readAll(Reader rd) throws IOException {
StringBuilder sb = new StringBuilder();
int cp;
...
Truststore and Keystore Definitions
...
It is worth mentioning that KeyStore.load(InputStream is, char[] password) (docs) can take a null password and it then will give access to public certificates. That is, the code that wants to browse a truststore does not need to know it password (for very good reasons!)
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What is a “memory stomp”?
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Very often it is a buffer overrun; as an example, this code:
char buffer[8];
buffer[8] = 'a';
will "stomp" on whatever happens to be in the next thing in memory after buffer. Generally speaking, 'stomping' is when memory is written to unintentionally.
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How can I concatenate regex literals in JavaScript?
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If you need to escape a char, then use double backslashes: new Regexp('\\$' + "flum")
– Jeff Lowery
Nov 20 '15 at 22:29
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Long vs Integer, long vs int, what to use and when?
...//docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html
byte, char .. 1B .. 8b
short int .. 2B .. 16b
int .. .. .. .. 4B .. 32b
long int .. 8B .. 64b
C .. just mess: https://en.wikipedia.org/wiki/C_data_types
short .. .. 16b
int .. .. .. 16b ... wtf?!?!
long .. .. 32b
long long .. ...
What is “String args[]”? parameter in main method Java
... all of the primitive datatypes like int, long, float, double, byte, shot, char in Java. You can easily parse it in any primitive datatype.
E.g The following program is compiled & executed & I tested as well.
If input is -> 1 1
// one class needs to have a main() method
public class...
minimum double value in C/C++
...tion just has to work around it. See the floating-point model in 5.2.4.2.2 Characteristics of floating types <float.h> p2 of C99 (may have been moved elsewhere since then).
– user743382
Nov 10 '14 at 22:23
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Converting numpy dtypes to native python types
...pn.item()
print('{0} ({1!r}) -> {2}'.format(name, npn.dtype.char, type(nat)))
except:
pass
There are a few NumPy types that have no native Python equivalent on some systems, including: clongdouble, clongfloat, complex192, complex256, float128, longcomplex, longdo...
How do I handle ImeOptions' done button click?
...= null) {
// if shift key is down, then we want to insert the '\n' char in the TextView;
// otherwise, the default action is to send the message.
if (!event.isShiftPressed()) {
if (isPreparedForSending()) {
confirmSendMessageIfNeeded();
...
Practical uses of different data structures [closed]
... for all data structures, they have a continuous memory for them: boolean, char, int, float, double, string.
composite data structures are data structures that are composed of more than one primitive data types.class, structure, union, array/record.
abstract datatypes are composite datatypes that ha...