大约有 40,000 项符合查询结果(耗时:0.0487秒) [XML]

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How do I copy items from list to list without foreach?

...eetening things up a bit from posts above: ( thanks everyone :) /* Where __strBuf is a string list used as a dumping ground for data */ public List < string > pullStrLst( ) { List < string > lst; lst = __strBuf.GetRange( 0, __strBuf.Count ); __strBuf.Clear( ); ...
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How to search a specific value in all tables (PostgreSQL)?

... How about dumping the contents of the database, then using grep? $ pg_dump --data-only --inserts -U postgres your-db-name > a.tmp $ grep United a.tmp INSERT INTO countries VALUES ('US', 'United States'); INSERT INTO countries VALUES ('GB', 'United Kingdom'); The same utility, pg_dump, can...
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Extracting bits with a single multiplication

...and, namely SMT-LIB 2 input: (set-logic BV) (declare-const mask (_ BitVec 64)) (declare-const multiplicand (_ BitVec 64)) (assert (forall ((x (_ BitVec 64))) (let ((y (bvmul (bvand mask x) multiplicand))) (and (= ((_ extract 63 63) x) ((_ extract 63 63) y)) (= ...
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UIBarButtonItem with custom image and no border

...m.h> @interface CCFBarButtonItem : UIBarButtonItem { @protected id _originalTarget; } - (id)initWithImage:(UIImage *)image target:(id)target action:(SEL)action; @end and CCFBarButtonItem.m #import "CCFBarButtonItem.h" #import <UIKit/UIButton.h> #import <UIKit/UIView.h> #import...
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How to manage local vs production settings in Django?

... In settings.py: try: from local_settings import * except ImportError as e: pass You can override what needed in local_settings.py; it should stay out of your version control then. But since you mention copying I'm guessing you use none ;) ...
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What is the command to list the available avdnames

...ators: emulator @name-of-your-emulator where emulator is under: ${ANDROID_SDK}/tools/emulator – Dhiraj Himani Jun 16 '17 at 11:27 ...
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Getter and Setter declaration in .NET [duplicate]

...ed property. When the need arises you can expand your property to: string _myProperty; public string MyProperty { get { return _myProperty; } set { _myProperty = value; } } Now you can add code that validates the value in your setter: set { if (string.IsNullOrWhiteSpace(value)) ...
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Interfacing with structs and anonymous unions with c2hs

...You would have to do this patch for each version of the lib. struct monome_event { monome_t *monome; monome_event_type_t event_type; /* __extension__ for anonymous unions in gcc */ __extension__ union { struct me_grid { unsigned int x; unsigned int y...
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Flex-box: Align last row to grid

...p:wrap; } .grid::after{ content: ''; width: 10em // Same width of .grid__element } .grid__element{ width:10em; } With the HTML like this: <div class=grid"> <div class="grid__element"></div> <div class="grid__element"></div> <div class="grid__elemen...
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Double Negation in C++

...ernel). For GCC, they're implemented as follows: #define likely(cond) (__builtin_expect(!!(cond), 1)) #define unlikely(cond) (__builtin_expect(!!(cond), 0)) Why do they have to do this? GCC's __builtin_expect treats its parameters as long and not bool, so there needs to be some form of conver...