大约有 40,000 项符合查询结果（耗时：0.0645秒） [XML]
How to get JS variable to retain value after page refresh? [duplicate]
...e, but this can be overcome by using JSON.stringify and JSON.parse. Technically, whenever you call .setItem(), it will call .toString() on the value and store that.
MDN's DOM storage guide (linked below), has workarounds/polyfills, that end up falling back to stuff like cookies, if localStorage isn...
How can I dynamically create a selector at runtime with Objective-C?
... theMethod:(id)methodArg];, you'd write...
void (^impBlock)(id,id) = ^(id _self, id methodArg) {
[_self doSomethingWith:methodArg];
};
and then you need to generate the IMP block dynamically, this time, passing, "self", the SEL, and any arguments...
void(*impFunct)(id, SEL, id) = (void*...
calling non-static method in static method in Java [duplicate]
...0,20); // to call the non-static method
}
public void add(int x ,int y) {
int a = x;
int b = y;
int c = a + b;
System.out.println("addition" + c);
}
}
share
|
...
Strip whitespace from jsp output
...s whitespace left by taglibs like JSTL and scriptlets. If you want to trim ALL whitespace from HTML, then head for a different solution. You can find a filter example here: balusc.blogspot.com/2007/12/whitespacefilter.html
– BalusC
Apr 19 '10 at 13:27
...
Retrieving Property name from lambda expression
...rce parameter is used so the compiler can do type inference on the method call. You can do the following
var propertyInfo = GetPropertyInfo(someUserObject, u => u.UserID);
share
|
improve this ...
How to move screen without moving cursor in Vim?
...of the screen
(Careful with zz, if you happen to have Caps Lock on accidentally, you will save and exit vim!)
zt - move current line
to the top of the screen
zb - move
current line to the bottom of the
screen
share
...
Filtering DataGridView without changing datasource
...rce as DataTable).DefaultView.RowFilter = rowFilter;
The square brackets allow for spaces in the column name.
Additionally, if you want to include multiple values in your filter, you can add the following line for each additional value:
rowFilter += string.Format(" OR [{0}] = '{1}'", columnName,...
Difference between local and global indexes in DynamoDB
...ndary index is
considered "global" because queries on the index can span all of the
data in a table, across all partitions.
Local secondary index — an index that has the same hash key as the
table, but a different range key. A local secondary index is "local"
in the sense that every p...
How to make an unaware datetime timezone aware in python
...ize(unaware)
assert aware == now_aware
For the UTC timezone, it is not really necessary to use localize since there is no daylight savings time calculation to handle:
now_aware = unaware.replace(tzinfo=pytz.UTC)
works. (.replace returns a new datetime; it does not modify unaware.)
...
Is assert evil? [closed]
...
goto is used in linux kernel for code cleanup
– malat
Apr 26 '16 at 13:25
add a comment
|
...