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Python: Find in list
...n or generator expressions for that:
matches = [x for x in lst if fulfills_some_condition(x)]
matches = (x for x in lst if x > 6)
The latter will return a generator which you can imagine as a sort of lazy list that will only be built as soon as you iterate through it. By the way, the first one...
Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
...class BusinessObjectFactory
{
private Func<string, BusinessObject> _ctorCaller;
public BusinessObjectFactory (Func<string, BusinessObject> ctorCaller)
{
_ctorCaller = ctorCaller;
}
public BusinessObject CreateBusinessObject(string myProperty)
{
if (...)
return...
How to overload functions in javascript?
...latest version of Safari when I try this resetProgressBar: function(display_errors, lockout = false).
– Nick
Jul 19 '16 at 2:46
...
Suppressing “is never used” and “is never assigned to” warnings in C#
.... This satisfies the compiler and the warnings are not raised:
struct HTTP_FILTER_PREPROC_HEADERS
{
//
// For SF_NOTIFY_PREPROC_HEADERS, retrieves the specified header value.
// Header names should include the trailing ':'. The special values
// 'method', 'url' and 'version' can...
How to implement has_many :through relationships with Mongoid and mongodb?
...ified example from the Rails guides , how does one model a relational "has_many :through" association using mongoid?
4 Ans...
TortoiseSVN icons not showing up under Windows 7
... are set up, and change them (at your own risk) in the registry here:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\ShellIconOverlayIdentifiers
If you are using TortoiseCVS (and have nothing else using overlay icons), you will get a couple of TortoiseSVN Icons, and all of y...
How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
... %%k in (%0) do set batchName=%%~nk
set "vbsGetPrivileges=%temp%\OEgetPriv_%batchName%.vbs"
setlocal EnableDelayedExpansion
:checkPrivileges
NET FILE 1>NUL 2>NUL
if '%errorlevel%' == '0' ( goto gotPrivileges ) else ( goto getPrivileges )
:getPrivileges
if '%1'=='ELEV' (echo ELEV &...
How to get an enum value from a string value in Java?
...ua Bloch, Effective Java:
(simplified for brevity)
enum MyEnum {
ENUM_1("A"),
ENUM_2("B");
private String name;
private static final Map<String,MyEnum> ENUM_MAP;
MyEnum (String name) {
this.name = name;
}
public String getName() {
return this.n...
JavaScript: filter() for Objects
...ng prototypes. Second, developer.mozilla.org/en/JavaScript/Reference/Global_Objects/… -- "Creates a new array with all elements that pass the test implemented by the provided function." Implementing the exact opposite on a global seems pretty silly, doesn't it?
– pyrotechnick...
How can I create a link to a local file on a locally-run web page?
...virtual folder as any other file on your site.
http://sitename.com/virtual_folder_name/filename.fileextension
By the way, this also works with Chrome that otherwise does not accept the file-protocol file://
Hope this helps someone :)
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