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Detect when browser receives file download
...alue to the token's value.
Client source code (JavaScript):
function getCookie( name ) {
var parts = document.cookie.split(name + "=");
if (parts.length == 2) return parts.pop().split(";").shift();
}
function expireCookie( cName ) {
document.cookie =
encodeURIComponent(cName) ...
Unable to update the EntitySet - because it has a DefiningQuery and no element exis
...d of OrderNumber and Customer. This will allow you to do inserts, updates, etc on your keyless table.
If you're not too familiar with doing reverse Code First, go and find a good tutorial on Entity Framework Code First. Then go find one on Reverse Code First (which is doing Code First with an exist...
Fast way to discover the row count of a table in PostgreSQL
...block happens to hold wider than usual rows, the count is lower than usual etc.
Dead tuples or a FILLFACTOR occupy space per block. If unevenly distributed across the table, the estimate may be off.
General rounding errors.
In most cases the estimate from pg_class will be faster and more accurate....
vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...Boost on Win32
Default; /usr/local on Unix. Linux, etc.
--exec-prefix=<EPREFIX> Install architecture dependent files here.
Default; <PREFIX>
--libdir=<DIR> Install library files here.
Default; <EPREFIX>/l...
Random row from Linq to Sql
...nough, you don't actually need to get the count. You do, however, need to fetch every element unless you get the count.
What you can do is keep the idea of a "current" value and the current count. When you fetch the next value, take a random number and replace the "current" with "new" with a probab...
How do I get the filepath for a class in Python?
...ern is:
/project
/appname
models.py
views.py
/templates
index.html
etc.
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Difference between repository and service?
...a bank, the vault is the repository. The teller that deposits, withdraws, etc is the service.
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Why use pip over easy_install? [closed]
... easy_install—installing from an unpacked source tree, from a DVCS repo, etc.—are long-gone; you can pip install ., pip install git+https://.
pip comes with the official Python 2.7 and 3.4+ packages from python.org, and a pip bootstrap is included by default if you build from source.
The various...
How to add 10 days to current time in Rails
...
days, years, etc., are part of Active Support, So this won't work in irb, but it should work in rails console.
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ZSH complains about RVM __rvm_cleanse_variables: function definition file not found
...
To disable the .zcompdump* file(s), you could look in your .zshrc (or /etc/zsh/* files) for compinit and add the -D flag.
This might be better than creating the files and deleting them at every login.
(source: http://www.csse.uwa.edu.au/programming/linux/zsh-doc/zsh_23.html)
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