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f = open(hello_file, 'a+')
f.seek(-1,2)
if f.read():
    path = '\n'+path
f.write(path)

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def get_username():
    return pwd.getpwuid(os.getuid()).pw_name

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printf(
    '<input id="%1$s" name="jo_plugin_options[%1$s]" type="checkbox" %2$s />',
    'jo_checkbox_del',
    checked( isset( $this->options['jo_checkbox_del'] ), true, false )
);

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$("#frmt").jstree(true).refresh(false, true);

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//js code
    $('.file-field:file').on('change', function() {
        var file_data = this.files[0];   
        var form_data = new FormData();                  
        form_data.append('file', file_data);
        var formUrl = 'upload.php';
        $.ajax({
            url: formUrl,
            dataType: 'text',
            cache: false,

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A non-empty zero-indexed array A consisting of N integers is given. Array A represents numbers on a tape.

Any integer P, such that 0 < P < N, splits this tape into two non-empty parts: A[0], A[1], ..., A[P − 1] and A[P], A[P + 1], ..., A[N − 1].

The difference between the two parts is the value of: |(A[0] + A[1] + ... + A[P − 1]) − (A[P] + A[P + 1] + ... + A[N − 1])|

In other words, it is the absolute difference between the sum of the first part and the sum of the second part.

For example, consider array A such that:

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//Previous code
a = list(map(int, raw_input().split()))
for i in a:
    if a.count(i) == 1:
        print i
        break


// Current code
from collections import Counter

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//Markup
<div class="scrollbar" id="style-1">
  <div class="force-overflow"></div>
</div>

//CSS
#style-1::-webkit-scrollbar-track
{
	-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
	border-radius: 10px;

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// For pulling a docker image
docker pull <image-name>

// For building docker image
docker build .

// For removing a docker image
docker rmi <imageid>

// For forcefully removing a docker image

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find . -type f -exec grep -l 'data-reactid' {} \; | while IFS='' read -r line; do perl -pi -e 's/(data-reactid=")[^"]+(")/\1\2/g' "$line"; done