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How do I view the SQL generated by the Entity Framework?
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You can do the following:
IQueryable query = from x in appEntities
where x.id == 32
select x;
var sql = ((System.Data.Objects.ObjectQuery)query).ToTraceString();
or in EF6:
var sql = ((System.Data.Entity.Core.Objects.ObjectQuery)query)
.T...
How can I get all the request headers in Django?
...be the best way to get all the headers that the client sent to my Django application?
9 Answers
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Setting HTTP headers
...y to implement for example a simple authentication.
Here is a corrected wrapper:
// Code has not been tested.
func addDefaultHeaders(fn http.HandlerFunc) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if origin := r.Header.Get("Origin"); origin != "" {
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Get OS-level system information
I'm currently building a Java app that could end up being run on many different platforms, but primarily variants of Solaris, Linux and Windows.
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Collection was modified; enumeration operation may not execute
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What's likely happening is that SignalData is indirectly changing the subscribers dictionary under the hood during the loop and leading to that message. You can verify this by changing
foreach(Subscriber s in subscribers.Values)
To
foreac...
About catching ANY exception
...hat being said, it's good to track down as many as you can and handle them appropriately and then have a backup catch all for the ones you miss.
– Blaze
Oct 19 '15 at 8:04
28
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mailto link with HTML body
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If you're disappointed by this answer, please keep reading: stackoverflow.com/a/46699855/256272 (tl;dr .eml files)
– Joe
May 24 '18 at 5:20
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How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
... secure system.
Let me illustrate my point: Imagine you are building a web application and you need to store some session data. You could assign each user a session ID and store the session data on the server in a hash map mapping session ID to session data. But then you have to deal with this pesky...
Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted
...will be ENORMOUS. The first time I ran an xdebug trace on a Zend Framework app it took a loooong time to run and generated a multi GB (not kb or MB... GB) sized file. Just be aware of this.
– rg88
May 11 '09 at 21:07
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retrieve links from web page using python and BeautifulSoup [closed]
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There's no reason to use BeautifulSoup anymore, unless you're on Google App Engine or something where anything not purely Python isn't allowed.
lxml.html also supports CSS3 selectors so this sort of thing is trivial.
An example with lxml and xpath would look like this:
import urllib
import lxm...