大约有 40,000 项符合查询结果(耗时:0.0684秒) [XML]
Regex - Should hyphens be escaped? [duplicate]
...
Correct on all fronts. Outside of a character class (that's what the "square brackets" are called) the hyphen has no special meaning, and within a character class, you can place a hyphen as the first or last character in the range (e.g....
Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...r using it inside the block should be ok, but it still shows the warning.
__block ASIHTTPRequest *request = [[ASIHTTPRequest alloc] initWithURL:...
[request setCompletionBlock:^{
NSDictionary *jsonDictionary = [[CJSONDeserializer deserializer] deserialize:request.responseData error:nil];
r...
What's the difference between globals(), locals(), and vars()?
... the same dict each time - it's attached to the stack frame object as its f_locals attribute. The dict's contents are updated on each locals() call and each f_locals attribute access, but only on such calls or attribute accesses. It does not automatically update when variables are assigned, and assi...
$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
Some guy called one of my Snipplr submissions "crap" because I used if ($_SERVER['REQUEST_METHOD'] == 'POST') instead of if ($_POST)
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How do I set the figure title and axes labels font size in Matplotlib?
...ze=18)
plt.ylabel('ylabel', fontsize=16)
fig.savefig('test.jpg')
For globally setting title and label sizes, mpl.rcParams contains axes.titlesize and axes.labelsize. (From the page):
axes.titlesize : large # fontsize of the axes title
axes.labelsize : medium # fontsize of the x any y...
Find the most common element in a list
...roups by the item only (via operator.itemgetter). The auxiliary function, called once per grouping during the max computation, receives and internally unpacks a group - a tuple with two items (item, iterable) where the iterable's items are also two-item tuples, (item, original index) [[the items of ...
What is the difference between user and kernel modes in operating systems?
... CPU instruction and
reference any memory address. Kernel
mode is generally reserved for the
lowest-level, most trusted functions
of the operating system. Crashes in
kernel mode are catastrophic; they
will halt the entire PC.
User Mode
In User mode, the executing code has no abili...
Why am I getting a “401 Unauthorized” error in Maven?
...publish.
The SNAPSHOTS repository (as opposed to the releases repository) allows you to overwrite a similarly numbered version, but your version number should have "-SNAPSHOT" at the end of it.
share
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Parsing Visual Studio Solution files
...gage in the meta discussions if you want to learn more about this. I personally find that it's a bit crazy sometimes. Please note that I had absolutely nothing to do with your edits getting shut down. The proper way though I think to add you edits is actually to repost everything as another answer. ...
SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
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Without the update-and-join notation (not all DBMS support that), use:
UPDATE QuestionTrackings
SET QuestionID = (SELECT QuestionID
FROM AnswerTrackings
WHERE AnswerTrackings.AnswerID = QuestionTrackings.AnswerID)
...
