大约有 45,000 项符合查询结果（耗时：0.0574秒） [XML]
Explanation of JSONB introduced by PostgreSQL
PostgreSQL just introduced JSONB and it's already trending on hacker news . It would be great if someone could explain how it's different from Hstore and JSON previously present in PostgreSQL. What are its advantages and limitations and when should someone consider using it?
...
Padding within inputs breaks width 100%
Ok, so we know that setting padding to an object causes its width to change even if it is set explicitly. While one can argue the logic behind this, it causes some problems with some elements.
...
XmlSerializer: remove unnecessary xsi and xsd namespaces
Is there a way to configure the XmlSerializer so that it doesn't write default namespaces in the root element?
4 Answers
...
How to run a program without an operating system?
How do you run a program all by itself without an operating system running?
Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU?
...
Bash array with spaces in elements
...
I think the issue might be partly with how you're accessing the elements. If I do a simple for elem in $FILES, I experience the same issue as you. However, if I access the array through its indices, like so, it works if I add the elements either numerically or...
How to initialize static variables
...
PHP can't parse non-trivial expressions in initializers.
I prefer to work around this by adding code right after definition of the class:
class Foo {
static $bar;
}
Foo::$bar = array(…);
or
class Foo {
private static $bar;
static function init()
{
sel...
How to use git bisect?
I have read some articles saying that git bisect is awesome. However, I'm not a native speaker and I can't understand why it's awesome.
...
What's the difference between git reflog and log?
The man page says that log shows the commit logs and reflog manages reflog information. What exactly is reflog information and what does it have that the log doesn't? The log seems far more detailed.
...
How did Microsoft create assemblies that have circular references?
...
I can only tell how the Mono Project does this. The theorem is quite simple, though it gives a code mess.
They first compile System.Configuration.dll, without the part needing the reference to System.Xml.dll. After this, they compile System.Xml.dll the normal way. Now comes the magic. The...
How to keep the console window open in Visual C++?
...
Start the project with Ctrl+F5 instead of just F5.
The console window will now stay open with the Press any key to continue . . . message after the program exits.
Note that this requires the Console (/SUBSYSTEM:CONSOLE) linker option, which y...