大约有 40,000 项符合查询结果（耗时：0.0436秒） [XML]
differentiate null=True, blank=True in django
...null=True because it allows two different kinds of "blanky" values. I just tested this behaviour with Django 1.8/MySQL 5.6
– Edward D'Souza
Aug 3 '16 at 17:14
...
Yes/No message box using QMessageBox
... QMessageBox::StandardButton reply;
reply = QMessageBox::question(this, "Test", "Quit?",
QMessageBox::Yes|QMessageBox::No);
if (reply == QMessageBox::Yes) {
qDebug() << "Yes was clicked";
QApplication::quit();
} else {
qDebug() << "Yes wa...
Python module for converting PDF to text [closed]
...nverter(rsrc, outfp, codec="utf-8") #<-- changed
# becuase my test documents are utf-8 (note: utf-8 is the default codec)
doc = PDFDocument()
fp = open(filename, 'rb')
parser = PDFParser(fp) #<-- changed
parser.set_document(doc) #<-- added
doc.set_pa...
How are msys, msys2, and msysgit related to each other?
...rs for MinGW-w64 toolchains) as a recent fork of Cygwin which tracks the latest Cygwin closely so that it doesn't end up out of date. Alexey forward ported the old MSYS patches and added some of his own.
As well as providing the necessary Unix tools with which to compile native software - the state...
Highlight a word with jQuery
...ode.nodeType == 1 && node.childNodes && !/(script|style)/i.test(node.tagName)) {
for (var i = 0; i < node.childNodes.length; ++i) {
i += innerHighlight(node.childNodes[i], pat);
}
}
return skip;
}
return this.length && pat && pat.length ? this.each(...
What is the fastest way to create a checksum for large files in C#
...
I did tests with buffer size, running this code
using (var stream = new BufferedStream(File.OpenRead(file), bufferSize))
{
SHA256Managed sha = new SHA256Managed();
byte[] checksum = sha.ComputeHash(stream);
return BitC...
Flatten an irregular list of lists
... i in flatten(42): print (i). This could be fixed by moving the isinstance-test and the else-clause outside of the for el-loop. (Then you could throw anything at it, and it would make a flattened list out of it)
– RolKau
Aug 18 '15 at 11:17
...
xcodebuild says does not contain scheme
...that the scheme that was committed in my repository was outdated and the latest version of the command line tools wasn't handling it gracefully. Since this existed previously, I took a look through the settings to make sure there wasn't anything glaringly custom about the scheme, deleted and recrea...
C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
...简单化一下代码：
1
2
3
4
struct test{
int i;
char *p;
};
上面代码中，test结构中i和p指针，在C的编译器中保存的是相对地址——也就是说，他们的地址是相对于struct test的实例的。如果...
Is there a MessageBox equivalent in WPF?
...
In WPF it seems this code,
System.Windows.Forms.MessageBox.Show("Test");
is replaced with:
System.Windows.MessageBox.Show("Test");
share
|
improve this answer
|
...