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Collection was modified; enumeration operation may not execute
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Is that a complete example? I have a class (_dictionary obj below) that contains a generic Dictionary<string,int> named MarkerFrequencies, but doing this didn't instantly solve the crash: lock (_dictionary.MarkerFrequencies) { foreach (KeyValuePair<string, int...
Send attachments with PHP Mail()?
...a convenient place in your project.
Include the main script file -- require_once('path/to/file/class.phpmailer.php');
Now, sending emails with attachments goes from being insanely difficult to incredibly easy:
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
$email = new PHP...
Force to open “Save As…” popup open at text link click for PDF in HTML
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<a href="file link" download target="_blank">Click here to download</a>
It works for me in Firefox and Chrome.
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What does character set and collation mean exactly?
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I suggest to use utf8mb4_unicode_ci, which is based on the Unicode standard for sorting and comparison, which sorts accurately in a very wide range of languages.
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How do I parse a string to a float or int?
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Python method to check if a string is a float:
def is_float(value):
try:
float(value)
return True
except:
return False
A longer and more accurate name for this function could be: is_convertible_to_float(value)
What is, and is not a float in Python may surpris...
How to get RelativeLayout working with merge and include?
....google.com/issues/36908001
To fix it, make sure you overwrite BOTH layout_width and layout_height when including, otherwise everything will be ignored.
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How do I read configuration settings from Symfony2 config.yml?
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Rather than defining contact_email within app.config, define it in a parameters entry:
parameters:
contact_email: somebody@gmail.com
You should find the call you are making within your controller now works.
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How to use HTML Agility pack
...ith help from this XPath documentation: https://www.w3schools.com/xml/xpath_syntax.asp
To parse
<h2>
<a href="">Jack</a>
</h2>
<ul>
<li class="tel">
<a href="">81 75 53 60</a>
</li>
</ul>
<h2>
<a href="">Roy</a&...
Can I replace groups in Java regex?
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replace the password fields from the input:
{"_csrf":["9d90c85f-ac73-4b15-ad08-ebaa3fa4a005"],"originPassword":["uaas"],"newPassword":["uaas"],"confirmPassword":["uaas"]}
private static final Pattern PATTERN = Pattern.compile(".*?password.*?\":\\[\"(.*?)\"\\](,\"|}$...
Which comment style should I use in batch files?
...his is a comment, the caret is ignored^
echo This line is printed
REM This_is_a_comment_the_caret_appends_the_next_line^
echo This line is part of the remark
REM followed by some characters .:\/= works a bit different, it doesn't comment an ampersand, so you can use it as inline comment.
echo Fi...