大约有 47,000 项符合查询结果（耗时：0.0365秒） [XML]
Is the practice of returning a C++ reference variable evil?
...nt() {
int* i = new int;
return *i; // DON'T DO THIS.
}
Because now the client has to eventually do the strange:
int& myInt = getInt(); // note the &, we cannot lose this reference!
delete &myInt; // must delete...totally weird and evil
int oops = getInt();
delete ...
Using logging in multiple modules
...
And in your main module :
#main
import logging
# load my module - this now configures the logger
import my_module
# This will now disable the logger in my module by default, [see the docs][1]
logging.config.fileConfig('logging.ini')
my_module.foo()
bar = my_module.Bar()
bar.bar()
Now the lo...
How to link to a named anchor in Multimarkdown?
...
@jj1bdx I do now -- the <a id="id"></a> form is best. See this SO question/answer.
– Steve Powell
May 28 '12 at 16:12
...
Best way to test SQL queries [closed]
...onth as
select *, year * 12 + month as absolute_month from month_value;
Now what we have to test is inherent in our spec, namely that for any tuple (year, month), there is one and only one (absolute_month), and that (absolute_month)s are consecutive. Let's write some tests.
Our test will be a SQ...
Running multiple AsyncTasks at the same time — not possible?
...llel computations for a bunch of AsyncTasks. But later they fixed that and now the size is 5, so at most 5 AsyncTasks can run simultaneously. Unfortunately I don't remember in what version exactly they changed that.
UPDATE:
Here is what current (2012-01-27) API says on this:
When first introdu...
How do I avoid capturing self in blocks when implementing an API?
...here; the delegate may retain our object but that's out of our hands right now). This code won't risk a leak in the same way, because the value of the delegate property is captured when the block is created, instead of looked up when it executes. A side effect is that, if you change the delegate aft...
Trust Anchor not found for Android SSL Connection
...stalling the intermediate certificates provided by my certificate issuer I now have no errors when connecting using HttpsUrlConnection.
share
|
improve this answer
|
follow
...
Android - Handle “Enter” in an EditText
...mpossible" and so on, usually without code. Often his answers are outdated now, so I try not to follow his recommendations.
– CoolMind
Feb 4 '19 at 10:22
|...
Bundling data files with PyInstaller (--onefile)
...t set the env variable anymore, so Shish's excellent answer will not work. Now the path gets set as sys._MEIPASS:
def resource_path(relative_path):
""" Get absolute path to resource, works for dev and for PyInstaller """
try:
# PyInstaller creates a temp folder and stores path in _M...
Five equal columns in twitter bootstrap
...all change to col-xs-6 in responsive view.
For Bootstrap 4
Bootstrap 4 now uses flexbox by default, so you get access to its magical powers straight out of the box. Check out the auto layout columns that dynamically adjust width depending on how many columns are nested.
Here's an example:
<...