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How to find a hash key containing a matching value
...; [["orange", {"client_id"=>"2180"}]]
Note that the result will be an array of all the matching values, where each is an array of the key and value.
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PHP json_decode() returns NULL with valid JSON?
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I have used this and got the array but my language specific characters (ş,ç,ö,..) has been deleted too.
– zkanoca
Dec 17 '14 at 10:56
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Deserialize JSON to ArrayList using Jackson
... compiled, but I get a run time exception when attempting to print out the arrayList.toString() about a NullPointerException. I'm guessing that this could be because my POJO does not conform to the right naming conventions for its properties, that is, the whole issue is that the web service returns ...
How to remove the lines which appear on file B from another file A?
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NR==FNR{a[$0];next} idiom is for storing the first file in an associative array as keys for a later "contains" test.
NR==FNR is checking whether we're scanning the first file, where the global line counter (NR) equals to the current file line counter (FNR).
a[$0] adds the current line to the associ...
UnicodeDecodeError when redirecting to file
...wo distinct concepts of "string": (1) string of characters, and (2) string/array of bytes. This distinction has been mostly ignored for a long time because of the historic ubiquity of encodings with no more than 256 characters (ASCII, Latin-1, Windows-1252, Mac OS Roman,…): these encodings map a s...
What are the differences between a pointer variable and a reference variable in C++?
...it refers to a non-existent int at address 0
Pointers can iterate over an array; you can use ++ to go to the next item that a pointer is pointing to, and + 4 to go to the 5th element. This is no matter what size the object is that the pointer points to.
A pointer needs to be dereferenced with * to...
Sort Go map values by keys
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wait slices are parts of an array. How do I make a slice of only the keys in the map?
– gramme.ninja
Apr 28 '14 at 1:04
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Get a pixel from HTML Canvas?
...cument.getElementById('myCanvas').getContext('2d');
// Get the CanvasPixelArray from the given coordinates and dimensions.
var imgd = context.getImageData(x, y, width, height);
var pix = imgd.data;
// Loop over each pixel and invert the color.
for (var i = 0, n = pix.length; i < n; i += 4) {
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Search text in fields in every table of a MySQL database
...y($sql);
if($rs->num_rows > 0){
while($r = $rs->fetch_array()){
$table = $r[0];
$out .= $table.";";
$sql_search = "select * from ".$table." where ";
$sql_search_fields = Array();
$sql2 = "SHOW COLUMNS FROM ".$table;
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Cython: “fatal error: numpy/arrayobject.h: No such file or directory”
... cygwinccompiler.py hack explained here ), but get a fatal error: numpy/arrayobject.h: No such file or directory...compilation terminated error. Can anyone tell me if it's a problem with my code, or some esoteric subtlety with Cython?
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