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Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Mozilla PDF.js：PDF在线预览前言 英文是github上的原文，找不到中文资料，我根据自己理解翻译的，有些词意思拿不准就直接把单词留在原地了，看这个文档应该可以凑合着 PDF.js官网（含github地址）：http://mozilla.github.io/pdf.js/
清...
How to reset a single table in rails?
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In case anyone tried this and got an error, I did ActiveRecord::Base.connection.execute("DELETE from 'yourtablename'") and it worked because it would give me an error that said sqlite_sequence where name = 'yourtablename' is not a valid table name or something l...
How to delete a whole folder and content?
...ble NPE here : fileOrDirectory.listFiles() may return null if there is I/O error when reading the files. This is stated clearly in the documentation : developer.android.com/reference/java/io/File.html#listFiles()
– Brian Yencho
Mar 6 '18 at 15:51
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Programmatically Request Access to Contacts
...ABAddressBookRequestAccessWithCompletion(addressBookRef, ^(bool granted, CFErrorRef error) {
if (granted) {
// First time access has been granted, add the contact
[self _addContactToAddressBook];
} else {
// User denied access
// Display an alert t...
IBOutlet and IBAction
...then that code would read id UIlabel *namelabel; which produces a compiler error. As I originally stated, IBOutlet resolves to nothing.
– Jasarien
Aug 20 '12 at 11:25
add a co...
Checking if jquery is loaded using Javascript
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This will still throw an error as is when jQuery is undefined. You need check for window.jQuery.
– gilly3
Sep 8 '11 at 0:23
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What is the most efficient way to concatenate N arrays?
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I believe your test may have an error: the a.concat(b) test case seems to be needlessly making a copy of the array a then throwing it away.
– ninjagecko
Apr 22 '12 at 21:35
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Why doesn't Haskell's Prelude.read return a Maybe?
Is there a good reason why the type of Prelude.read is
5 Answers
5
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How do I read and parse an XML file in C#?
... @GabrielGarcia true, sometimes beginner would stuck at missing include's error
– Anonymous
Jan 22 at 7:53
1
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“static const” vs “#define” vs “enum”
Which one is better to use among the below statements in C?
17 Answers
17
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