大约有 40,000 项符合查询结果（耗时：0.0655秒） [XML]
Is System.nanoTime() completely useless?
...efault changes not only across hardware but also across OS versions. For example Windows XP Service Pack 2 changed things to use the power management timer (PMTimer) rather than the processor timestamp-counter (TSC) due to problems with the TSC not being synchronized on different processors in SMP s...
Align inline-block DIVs to top of container element
When two inline-block div s have different heights, why does the shorter of the two not align to the top of the container? ( DEMO ):
...
Difference Between Cohesion and Coupling
...uld be doing, i.e. only methods relating to the intention of the class.
Example of Low Cohesion:
-------------------
| Staff |
-------------------
| checkEmail() |
| sendEmail() |
| emailValidate() |
| PrintLetter() |
-------------------
Example of High Cohesion:
------------...
Objective-C Static Class Level variables
...o use the static variable within any ClassA class/instance method.
Code sample:
file: classA.m
static ClassB *classVariableName = nil;
@implementation ClassA
...
+(void) initialize
{
if (! classVariableName)
classVariableName = [[ClassB alloc] init];
}
+(void) classMethodName
{
...
How to compare if two structs, slices or maps are equal?
...p looks for the Equal() method and uses that to correctly compare times.
Example:
m1 := map[string]int{
"a": 1,
"b": 2,
}
m2 := map[string]int{
"a": 1,
"b": 2,
}
fmt.Println(cmp.Equal(m1, m2)) // will result in true
...
How do I make Git use the editor of my choice for commits?
...
For Sublime Text:
Add this to the .gitconfig. The --wait is important (it allows to type text in sublime and will wait for save/close event.)
[core]
editor = 'subl' --wait
'subl' can be replaced by the full path of the executable but is usually available when correctly installed.
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Inserting multiple rows in a single SQL query? [duplicate]
...red Jan 17 '09 at 6:10
too much phptoo much php
78.8k3333 gold badges120120 silver badges133133 bronze badges
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Select Last Row in the Table
... This method is worse actually. You are fetching last raw using PHP execution instead of doing it as DB level. What if table has millions of raw, then you know how much inefficient it can be?
– Bhaskar Dabhi
Nov 23 '16 at 6:59
...
how do I use UIScrollView in Interface Builder?
...sed UIScrollView successfully in the past by manipulating it programmatically, I'm having trouble getting it to work by setting it up exclusively in Interface Builder.
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UITableView is starting with an offset in iOS 7
...ng but now my pull-to-refresh control spinner shows up partially obscured & underneath my top menu. Anyone seen this also? Any workarounds?
– Nick
Aug 8 '14 at 9:23
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