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Postgresql 9.2 pg_dump version mismatch
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I encountered this while using Heroku on Ubuntu, and here's how I fixed it:
Add the PostgreSQL apt repository as described at "Linux downloads (Ubuntu)
". (There are similar pages for other operating systems.)
Upgrade to the latest version (9.3 for me) with:
sudo apt-ge...
How to obtain a Thread id in Python?
I have a multi-threading Python program, and a utility function, writeLog(message) , that writes out a timestamp followed by the message. Unfortunately, the resultant log file gives no indication of which thread is generating which message.
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Where are Docker images stored on the host machine?
...r/graph/<id> now only contains metadata about the image, in the json and layersize files.
In the case of aufs:
/var/lib/docker/aufs/diff/<id> has the file contents of the images.
/var/lib/docker/repositories-aufs is a JSON file containing local image information. This can be viewed w...
Windows启动过程 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...on.exe负责启动进程(services.exe)，并创建sass.exe (Local Security and Authentication Subsystem)，以对用户登录系统时进行验证。
3 Winlogon将把登录窗口呈献给用户，用户登录成功后，它将家在explorer.exe，并根据当前用户的配置...
Best way to define private methods for a class in Objective-C
I just started programming Objective-C and, having a background in Java, wonder how people writing Objective-C programs deal with private methods.
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What does the Visual Studio “Any CPU” target mean?
... AnyCPU assembly will JIT to 64-bit code when loaded into a 64-bit process and 32 bit when loaded into a 32-bit process.
By limiting the CPU you would be saying: There is something being used by the assembly (something likely
unmanaged) that requires 32 bits or 64 bits.
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Visibility of global variables in imported modules
...a Python script. I'll do my best to describe the error, why I run into it, and why I'm tying this particular approach to solve my problem (which I will describe in a second):
...
Excel “External table is not in the expected format.”
...xcel 2007 file with a connection string that uses: Microsoft.Jet.OLEDB.4.0 and Extended Properties=Excel 8.0
Using the following connection string seems to fix most problems.
public static string path = @"C:\src\RedirectApplication\RedirectApplication\301s.xlsx";
public static string connStr = "Pr...
What happens to a declared, uninitialized variable in C? Does it have a value?
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Static variables (file scope and function static) are initialized to zero:
int x; // zero
int y = 0; // also zero
void foo() {
static int x; // also zero
}
Non-static variables (local variables) are indeterminate. Reading them prior to assigning a ...
How to indent a few lines in Markdown markup?
...t of it
If you have control over CSS on the page, you could also use a tag and style it, either inline or with CSS rules.
Either way, markdown is not meant as a tool for layout, it is meant to simplify the process of writing for the web, so if you find yourself stretching its feature set to do what ...