大约有 30,000 项符合查询结果(耗时:0.0432秒) [XML]
Bash Script: count unique lines in file
...s file: function countuniquelines () { sort "$1" | uniq -c | sort -bgr; }. Call by countuniquelines myfile.txt.
– Johan
Dec 30 '18 at 12:28
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Binary Data in MySQL [closed]
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For a table like this:
CREATE TABLE binary_data (
id INT(4) NOT NULL AUTO_INCREMENT PRIMARY KEY,
description CHAR(50),
bin_data LONGBLOB,
filename CHAR(50),
filesize CHAR(50),
filetype CHAR(50)
);
Here is a PHP example:
<?php
// store.php3 - by ...
WAMP shows error 'MSVCR100.dll' is missing when install
...an download it at:
https://www.microsoft.com/en-us/download/details.aspx?id=30679
There you can select the x86 or x64 version depending on your system
This article on the WampServer forums shows all the Microsoft Visual C++ runtime libraries you need to have installed on your system for each v...
Why do we need a fieldset tag?
...;Colour</legend>
<input type="radio" name="colour" value="red" id="colour_red">
<label for="colour_red">Red</label>
<input type="radio" name="colour" value="green" id="colour_green">
<label for="colour_green">Green</label>
<input type="radio"...
What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
...necessarily cast around within your code.
Collections.emptyList() intrinsically does the cast for you.
@SuppressWarnings("unchecked")
public static final <T> List<T> emptyList() {
return (List<T>) EMPTY_LIST;
}
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Using CSS to affect div style inside iframe
Is it possible to change styles of a div that resides inside an iframe on the page using CSS only?
13 Answers
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Groovy / grails how to determine a data type?
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To determine the class of an object simply call:
someObject.getClass()
You can abbreviate this to someObject.class in most cases. However, if you use this on a Map it will try to retrieve the value with key 'class'. Because of this, I always use getClass() even tho...
Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?
... dllLocation
The code that uses your dlls reads the registry, then dynamically links to the dlls in that location.
The above is the smart way to go.
You do not ever install your dlls, or third party dlls into \system32\ or \syswow64. If you have to statically load, you put your dlls in your exe ...
Get type name without full namespace
...d premature optimisation. It creates a new StringBuilder in each recursive call (even the base case when it's unused), yet ignores the string.Join temporary and LINQ lambda. Just use String until you know it's a bottleneck. /rant
– Nigel Touch
May 30 '18 at 19:...
Disable browser 'Save Password' functionality
...wsers but you should try setting autocomplete="off" on the form.
<form id="loginForm" action="login.cgi" method="post" autocomplete="off">
The easiest and simplest way to disable Form and Password storage prompts and prevent form data from being cached in session history is to use the au...