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How to enter quotes in a Java string?
...you didn't specify), but you should be able to "escape" the quotation mark character with a backslash: "\"ROM\""
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Delete multiple objects in django
I need to select several objects to be deleted from my database in django using a webpage. There is no category to select from so I can't delete from all of them like that. Do I have to implement my own delete form and process it in django or does django have a way to already do this? As its impleme...
querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
I would like to know what exactly is the difference between querySelector and querySelectorAll against getElementsByClassName and getElementById ?
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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...rds (like books).
Explanation:
Input: List<String>
Output: Map<Character, List<String>>
The key of map is 'A' to 'Z'
Each list in the map are sorted.
Java:
import java.util.*;
class Main {
public static void main(String[] args) {
List<String> keywords = Arrays.as...
What does the 'L' in front a string mean in C++?
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It's a wchar_t literal, for extended character set. Wikipedia has a little discussion on this topic, and c++ examples.
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Set selected option of select box
I want to set a option that was selected previously to be displayed on page load. I tried it with the following code:
16 An...
C: Run a System Command and Get Output? [duplicate]
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#include <stdio.h>
#include <stdlib.h>
int main( int argc, char *argv[] )
{
FILE *fp;
char path[1035];
/* Open the command for reading. */
fp = popen("/bin/ls /etc/", "r");
if (fp == NULL) {
printf("Failed to run command\n" );
exit(1);
}
/* Read the output a ...
Does MongoDB's $in clause guarantee order
...ocuments are retrieved. That of course will be the natural order or by the selected index order as shown.
If you need to preserve this order, then you basically have two options.
So let's say that you were matching on the values of _id in your documents with an array that is going to be passed in ...
Fastest way to implode an associative array with keys
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the problem is http_build_query escape special char
– Sisyphus
Feb 9 '15 at 15:42
1
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ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
... find out valid service names, you can use the following query in oracle:
select value from v$parameter where name='service_names'
Once I updated tnsnames.ora to:
TEST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = *<validhost>*)(PORT = *<validport>*...