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ANTLR: Is there a simple example?
...org.antlr.runtime.*;
public class ANTLRDemo {
public static void main(String[] args) throws Exception {
ANTLRStringStream in = new ANTLRStringStream("12*(5-6)");
ExpLexer lexer = new ExpLexer(in);
CommonTokenStream tokens = new CommonTokenStream(lexer);
ExpParser...
Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
... java.net.URL;
public class HTTPSPlayground {
public static void main(String[] args) throws Exception {
URL url = new URL("https:// ... .com");
HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
httpURLConnection.setRequestMethod("POST");
...
Spring CrudRepository findByInventoryIds(List inventoryIdList) - equivalent to IN clause
...); I get the error: Caused by: java.lang.NumberFormatException: For input string: "(1, 2)"
– user64141
Feb 14 '16 at 17:04
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How to find where gem files are installed
... repository
list Display gems whose name starts with STRING
lock Generate a lockdown list of gems
mirror Mirror all gem files (requires rubygems-mirror)
outdated Display all gems that need updates
owner ...
Swapping column values in MySQL
...
Ok, so just for fun, you could do this! (assuming you're swapping string values)
mysql> select * from swapper;
+------+------+
| foo | bar |
+------+------+
| 6 | 1 |
| 5 | 2 |
| 4 | 3 |
+------+------+
3 rows in set (0.00 sec)
mysql> update swapper set
-...
How to parse a CSV file in Bash?
...
We can parse csv files with quoted strings and delimited by say | with following code
while read -r line
do
field1=$(echo $line | awk -F'|' '{printf "%s", $1}' | tr -d '"')
field2=$(echo $line | awk -F'|' '{printf "%s", $2}' | tr -d '"')
echo $fi...
Why does parseInt yield NaN with Array#map?
...uess octal, which tended to be problematic. It will still guess hex if the string starts with 0x.)
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find all unchecked checkbox in jquery
...Query object.
//.join - (javascript) joins the elements of an array into a string, and returns the string.The elements will be separated by a specified separator. The default separator is comma (,).
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Fetch first element which matches criteria
... */)
.findFirst()
.get();
An example:
public static void main(String[] args) {
class Stop {
private final String stationName;
private final int passengerCount;
Stop(final String stationName, final int passengerCount) {
this.stationName = st...
Search of table names
I use the following to search for strings in my stored procedures:
9 Answers
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