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How do I bind a WPF DataGrid to a variable number of columns?
...d in the output is a description of each column that will be used to apply formatting. A simplified version of the output might be something like:
...
How do I list all tables in a schema in Oracle SQL?
...= '[some other schema]'
Lastly, you can always query the data dictionary for your own tables, as your rights to your tables cannot be revoked (as of 10g):
SELECT DISTINCT OBJECT_NAME
FROM USER_OBJECTS
WHERE OBJECT_TYPE = 'TABLE'
...
How do you send a HEAD HTTP request in Python 2?
...e if http://somedomain/foo/ will return an HTML document or a JPEG image for example. Thus, I need to figure out how to send a HEAD request so that I can read the MIME type without having to download the content. Does anyone know of an easy way of doing this?
...
Are PHP include paths relative to the file or the calling code?
...
@Pekka- awesome- just what I was looking for. For further info, see stackoverflow.com/questions/2184810/…
– Yarin
Sep 11 '11 at 14:35
7
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获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...devInfoData;
devInfoData.cbSize = sizeof(devInfoData);
for ( DWORD dwCount = 0; ::SetupDiEnumDeviceInfo(hDevInfo, dwCount, &devInfoData); ++dwCount ) // enumerating all devices
{
DWORD dwSize = 0;
DWORD dwDataType = 0;
DWORD dwRemov...
java.net.URLEncoder.encode(String) is deprecated, what should I use instead?
...de; the second is the name of the character encoding to use (e.g., UTF-8). For example:
System.out.println(
URLEncoder.encode(
"urlParameterString",
java.nio.charset.StandardCharsets.UTF_8.toString()
)
);
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How to test code dependent on environment variables using JUnit?
...
The library System Lambda has a method withEnvironmentVariables for setting environment variables.
public void EnvironmentVariablesTest {
@Test
public void setEnvironmentVariable() {
String value = withEnvironmentVariable("name", "value")
.execute(() -> System.getenv("nam...
MongoDB/NoSQL: Keeping Document Change History
...versioning, a log table or a history table (I'm sure there are other names for it). There are a number of ways to approach it in an RDBMS--you can write all changes from all source tables to a single table (more of a log) or have a separate history table for each source table. You also have the op...
Among $_REQUEST, $_GET and $_POST which one is the fastest?
...application.
Either way, there will not be much of a difference about performances : the difference will be negligible, compared to what the rest of your script will do.
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What is the JavaScript convention for no operation?
What is the JavaScript convention for no operation? Like a Python pass command.
6 Answers
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