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Among $_REQUEST, $_GET and $_POST which one is the fastest?
...what my application should do (i.e. one or the other, but not both) : generally speaking :
You should use $_GET when someone is requesting data from your application.
And you should use $_POST when someone is pushing (inserting or updating ; or deleting) data to your application.
Either way, the...
How to keep the console window open in Visual C++?
...ause") or any other garbage. Changing this works.
– Callat
Apr 22 '16 at 16:08
Ctrl+F5 means 'Start Without Debugging'...
What does -D_XOPEN_SOURCE do/mean?
...ch one you need (if any) by looking at the man page for each function you call.
For example, man strdup says:
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
strdup(): _SVID_SOURCE || _BSD_SOURCE || _XOPEN_SOURCE >= 500
strndup(), strdupa(), strndupa():...
Double vs. BigDecimal?
...tudes (say d1=1000.0 and d2=0.001) could result in the 0.001 being dropped alltogether when summing as the difference in magnitude is so large. With BigDecimal this would not happen.
The disadvantage of BigDecimal is that it's slower, and it's a bit more difficult to program algorithms that way (du...
How to convert a std::string to const char* or char*?
... Notice that the above is not exception safe. If anything between the new call and the delete call throws, you will leak memory, as nothing will call delete for you automatically. There are two immediate ways to solve this.
boost::scoped_array
boost::scoped_array will delete the memory for you upo...
What's the proper way to install pip, virtualenv, and distribute for Python?
...estion 4314376 , I recommended using ez_setup so that you could then install pip and virtualenv as follows:
15 Answer...
Equals(=) vs. LIKE
...tify an example where these operators produce obviously different results. Allow me to quote from the MySQL manual:
Per the SQL standard, LIKE performs matching on a per-character basis, thus it can produce results different from the = comparison operator:
mysql> SELECT 'ä' LIKE 'ae' COLLA...
Super-simple example of C# observer/observable with delegates
...
The observer pattern is usually implemented with events.
Here's an example:
using System;
class Observable
{
public event EventHandler SomethingHappened;
public void DoSomething() =>
SomethingHappened?.Invoke(this, EventArgs.Empt...
Get button click inside UITableViewCell
...ce Builder (IB) in step two. Just make sure your buttons tag is set. You really don't want to mix up your action calling. Either do it through IB or do it explicitly in your code.
– Sententia
Apr 29 '14 at 7:12
...
How do I find which program is using port 80 in Windows? [duplicate]
... Then you either need to watch through list carefully or install some additional software. technet.microsoft.com/en-us/sysinternals/bb897437.aspx for example.
– n0rd
Dec 25 '09 at 8:14
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