大约有 47,000 项符合查询结果(耗时:0.0346秒) [XML]
How do I calculate the date in JavaScript three months prior to today?
I Am trying to form a date which is 3 months before the current date. I get the current month by the below code
15 Answers
...
Good example of livelock?
...le (isHungry) {
// Don't have the spoon, so wait patiently for spouse.
if (spoon.owner != this) {
try { Thread.sleep(1); }
catch(InterruptedException e) { continue; }
continue;
} ...
In Python, if I return inside a “with” block, will the file still close?
...lso mentioned in one of the examples of PEP-343 which is the specification for the with statement:
with locked(myLock):
# Code here executes with myLock held. The lock is
# guaranteed to be released when the block is left (even
# if via return or by an uncaught exception).
Something ...
Command-line Unix ASCII-based charting / plotting tool
...mand-line UNIX charting / graphing / plotting tool out there? I'm looking for something that will plot xy points on an ASCII graph.
...
What is context in _.each(list, iterator, [context])?
...
context is where this refers to in your iterator function. For example:
var person = {};
person.friends = {
name1: true,
name2: false,
name3: true,
name4: true
};
_.each(['name4', 'name2'], function(name){
// this refers to the friends property of the person object
aler...
difference between variables inside and outside of __init__()
...
That's not what python does for me. Lists/dicts/etc get shared between all instances if you don't create them in __init__().
– too much php
Oct 8 '09 at 11:43
...
Macro vs Function in C
...os are error-prone because they rely on textual substitution and do not perform type-checking. For example, this macro:
#define square(a) a * a
works fine when used with an integer:
square(5) --> 5 * 5 --> 25
but does very strange things when used with expressions:
square(1 + 2) --> ...
What is the purpose of willSet and didSet in Swift?
...metimes, you need a property that has automatic storage and some behavior, for instance to notify other objects that the property just changed. When all you have is get/set, you need another field to hold the value. With willSet and didSet, you can take action when the value is modified without need...
Elastic Search: how to see the indexed data
...y, you can just use curl from the command line, eg:
Check the mapping for an index:
curl -XGET 'http://127.0.0.1:9200/my_index/_mapping?pretty=1'
Get some sample docs:
curl -XGET 'http://127.0.0.1:9200/my_index/_search?pretty=1'
See the actual terms stored in a particular field (ie how ...
Received fatal alert: handshake_failure through SSLHandshakeException
...t uses a compatible version of the SSL/TLS protocol.
Incomplete trust path for the server certificate; the server's certificate is probably not trusted by the client. This would usually result in a more verbose error, but it is quite possible. Usually the fix is to import the server's CA certificate...
