大约有 30,000 项符合查询结果(耗时:0.0517秒) [XML]

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Make var_dump look pretty

...'; Or even something like this for color syntax highlighting: highlight_string("<?php\n\$data =\n" . var_export($data, true) . ";\n?>"); You can do the same with print_r(). For var_dump() you would just need to add the <pre> tags: echo '<pre>'; var_dump($data); echo '</pr...
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Adding placeholder text to textbox

...t = ""; } } public void AddText(object sender, EventArgs e) { if (string.IsNullOrWhiteSpace(myTxtbx.Text)) myTxtbx.Text = "Enter text here..."; } Thats just pseudocode but the concept is there. share ...
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How can I convert ereg expressions to preg in PHP?

...$str); You can easily escape all delimiters and reserved characters in a string by using preg_quote: $expr = preg_quote('/hello', '/'); preg_match('/^'.$expr.'/', $str); Also, PCRE supports modifiers for various things. One of the most used is the case-insensitive modifier i, the alternative to...
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javascript: Clear all timeouts?

... They are not in the window object, but they have ids, which (afaik) are consecutive integers. So you may clear all timeouts like so: var id = window.setTimeout(function() {}, 0); while (id--) { window.clearTimeout(id); // will do nothing if no timeout with id is pres...
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How to dynamically load a Python class

Given a string of a Python class, e.g. my_package.my_module.MyClass , what is the best possible way to load it? 10 Answers...
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How can I do an UPDATE statement with JOIN in SQL Server?

...f your SQL DBMS doesn't support MERGE): ANSI/ISO: update ud set assid = ( select sale.assid from sale where sale.udid = ud.id ) where exists ( select * from sale where sale.udid = ud.id ); MySQL: update ud u inner join sale s on ...
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Visual Studio Immediate window: how to see more than the first 100 items

....GetType()); System.IO.StreamWriter file = new System.IO.StreamWriter(string.Format(@"{0}\{1}.xml", Directory.GetCurrentDirectory(), entity.GetType().Name)); writer.Serialize(file, entity); file.Close(); } It's not 100% full proof, but most of the time it is perfect. It will create a...
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Set timeout for ajax (jQuery)

...s three arguments: The jqXHR (in jQuery 1.4.x, XMLHttpRequest) object, a string describing the type of error that occurred and an optional exception object, if one occurred. Possible values for the second argument (besides null) are "timeout", "error", "abort", and "parsererror". When an HTT...
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How to check if a variable is not null?

... are the following (a.k.a. falsy values): null undefined 0 "" (the empty string) false NaN share | improve this answer | follow | ...
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How to get a function name as a string?

In Python, how do I get a function name as a string, without calling the function? 12 Answers ...