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split string only on first instance - java
... resulting array has just one element, namely this string.
The limit parameter controls the number of times the pattern is applied and therefore affects the length of the resulting array. If the limit n is greater than zero then the pattern will be applied at most n - 1 times, the array's len...
Export to CSV via PHP
...function getSql()
{
// return you own sql
$sql = "SELECT id, date, params, value FROM sometable ORDER BY date;";
return $sql;
}
function getExportData()
{
$values = array();
$sql = $this->getSql();
if (strlen($sql) > 0)
{
$result = dbquery($sql); // opens ...
Cannot set content-type to 'application/json' in jQuery.ajax
...that this is a problem because everything works fine when I don't pass any parameters and content-type is application/x-www-form-urlencoded. But I don't need POST request if I couldn't pass any parameters.
– Vitalii Korsakov
Mar 18 '12 at 17:03
...
Face recognition Library [closed]
...ade_t* cascade = ccv_load_bbf_classifier_cascade(argv[2]); ccv_bbf_params_t params = { .interval = 8, .min_neighbors = 2, .accurate = 1, .flags = 0, .size = ccv_size(24, 24) };
ccv_array_t* faces = ccv_bbf_detect_objects(image, &cascade, 1, params);
int i;
for (i = 0; i < ...
Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
...arkup)));
var img = new Image(1, 1); // width, height values are optional params
img.src = imgsrc;
If you need to decode that base64, use this:
var str2 = decodeURIComponent(escape(window.atob(b64)));
console.log(str2);
Example:
var str = "äöüÄÖÜçéèñ";
var b64 = window.btoa(unesca...
what is the difference between 'transform' and 'fit_transform' in sklearn
...In scikit-learn estimator api,
fit() : used for generating learning model parameters from training data
transform() :
parameters generated from fit() method,applied upon model to generate transformed data set.
fit_transform() :
combination of fit() and transform() api on same data set
Checkou...
Create a list from two object lists with linq
...rovided object is equal to the current Person
/// </summary>
/// <param name="obj">Object to compare to the current Person</param>
/// <returns>True if equal, false if not</returns>
public override bool Equals(object obj)
{
// Try to cast the object to compa...
Getting image dimensions without reading the entire file
...s the dimensions of an image.
/// </summary>
/// <param name="path">The path of the image to get the dimensions of.</param>
/// <returns>The dimensions of the specified image.</returns>
/// <exception cref="ArgumentException">The im...
Is there a VB.NET equivalent of C# out parameters?
Does VB.NET have a direct equivalent to C# out function parameters, where the variable passed into a function does not need to be initialised?
...
Python: Ignore 'Incorrect padding' error when base64 decoding
...data, altchars=b'+/'):
"""Decode base64, padding being optional.
:param data: Base64 data as an ASCII byte string
:returns: The decoded byte string.
"""
data = re.sub(rb'[^a-zA-Z0-9%s]+' % altchars, b'', data) # normalize
missing_padding = len(data) % 4
if missing_padd...