大约有 16,000 项符合查询结果（耗时：0.0637秒） [XML]
How can I recursively find all files in current and subfolders based on wildcard matching?
... image was copied from GitHub, but I believe they're using asciinema, then converted to GIF format, but I'm not sure.
– kenorb
Feb 11 '19 at 23:38
...
C# Passing Function as Argument [duplicate]
...e works but there are also delegates that do the same task and also define intent within the naming:
public delegate double MyFunction(double x);
public double Diff(double x, MyFunction f)
{
double h = 0.0000001;
return (f(x + h) - f(x)) / h;
}
public double MyFunctionMethod(double x)
{
...
Remove an onclick listener
... {
ViewGroup viewGroup = (ViewGroup) view;
int viewGroupChildCount = viewGroup.getChildCount();
for (int i = 0; i < viewGroupChildCount; i++) {
unBingListener(viewGroup.getChildAt(i));
}
}
} ca...
How to get last N records with activerecord?
...d desc LIMIT 5"
The latter is an unevaluated scope. You can chain it, or convert it to an array via .to_a. So:
Something.limit(50000).order('id desc').count
... takes a second.
share
|
improve ...
Query-string encoding of a Javascript Object
... "100%"
}));
// foo=hi%20there&bar=100%25
Edit: this one also converts recursive objects (using php "array" notation for the query string)
serialize = function(obj, prefix) {
var str = [],
p;
for (p in obj) {
if (obj.hasOwnProperty(p)) {
var k = prefix ? pref...
Repeat Character N Times
... 'use strict';
if (this == null) {
throw new TypeError('can\'t convert ' + this + ' to object');
}
var str = '' + this;
count = +count;
if (count != count) {
count = 0;
}
if (count < 0) {
throw new RangeError('repeat count must be non-negative');
...
Get keys from HashMap in Java
...out.println(team1.keySet().toArray()[0]);
keySet() returns a set, so you convert the set to an array.
The problem, of course, is that a set doesn't promise to keep your order. If you only have one item in your HashMap, you're good, but if you have more than that, it's best to loop over the map...
Why does an NSInteger variable have to be cast to long when used as a format argument?
...t this warning if you compile on OS X (64-bit), because on that platform NSInteger is defined as long and is a 64-bit integer. The %i format, on the other hand, is for int, which is 32-bit. So the format and the actual parameter do not match in size.
Since NSInteger is 32-bit or 64-bit, depending o...
How to inspect the return value of a function in GDB?
... finish command executes until the current stack frame is popped off and prints the return value -- given the program
int fun() {
return 42;
}
int main( int argc, char *v[] ) {
fun();
return 0;
}
You can debug it as such --
(gdb) r
Starting program: /usr/home/hark/a.out
Breakpoint...
Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
...s MemberLoanProxy : MemberLoan
{
private CosisEntities db;
private int membershipId;
private Membership membership;
public override Membership Membership
{
get
{
if (membership == null)
membership = db.Memberships.Find(membershipId);
...