大约有 13,700 项符合查询结果（耗时：0.0226秒） [XML]
cleanest way to skip a foreach if array is empty [duplicate]
...ddition, this would work with objects implementing \Traversable, whereas is_array wouldn't work.
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Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
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Several ill-conceived ideas found their way into the standard: auto_ptr, vector<bool>, valarray and export, just to name a few. So I wouldn't take the presence of IOStreams necessarily as a sign of quality design.
IOStreams have a checkered history. They are actually a reworking of an...
How does one unit test routes with Express?
... a more detailed example.
/// usercontroller.js
var UserController = {
_database: null,
setDatabase: function(db) { this._database = db; },
findUserByEmail: function(email, callback) {
this._database.collection('usercollection').findOne({ email: email }, callback);
}
};
module....
How to export/import PuTTy sessions list?
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Only sessions:
regedit /e "%USERPROFILE%\Desktop\putty-sessions.reg" HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions
All settings:
regedit /e "%USERPROFILE%\Desktop\putty.reg" HKEY_CURRENT_USER\Software\SimonTatham
Powershell:
Only sessions:
reg export HKCU\Software\SimonTatham\PuTT...
How do you test running time of VBA code?
...st call .StartCounter and .TimeElapsed
Option Explicit
Private Type LARGE_INTEGER
lowpart As Long
highpart As Long
End Type
Private Declare Function QueryPerformanceCounter Lib "kernel32" (lpPerformanceCount As LARGE_INTEGER) As Long
Private Declare Function QueryPerformanceFrequency Lib ...
Submit a form using jQuery [closed]
...a function" (vanilla js). Renaming button to anything else will resolve. ¯_(ツ)_/¯ ????
– fzzylogic
Jul 6 '19 at 4:14
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How to profile methods in Scala?
...you can automatically wrap things in the REPL
– oxbow_lakes
Feb 6 '12 at 12:43
1
Almost perfect, ...
Forward declaration of nested types/classes in C++
...:Nested; // But this doesn't work.
My workaround was:
class IDontControl_Nested; // Forward reference to distinct name.
Later when I could use the full definition:
#include <idontcontrol.h>
// I defined the forward ref like this:
class IDontControl_Nested : public IDontControl::Nested
{...
How to convert byte array to string and vice versa?
...rset): String str = new String(bytes, java.nio.charset.StandardCharsets.ISO_8859_1);
– iman
Nov 20 '17 at 7:33
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Is there a way of making strings file-path safe in c#?
...h.GetInvalidFileNameChars();
// Builds a string out of valid chars and an _ for invalid ones
var validFilename = new string(filename.Select(ch => invalidFileNameChars.Contains(ch) ? '_' : ch).ToArray());
To replace invalid characters (and avoid potential name conflict like Hell* vs Hell$):
st...