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ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...ip of the physical
connection. It manages connections by keeping alive a set of active
connections for each given connection configuration. Whenever a user
calls Open on a connection, the pooler looks for an available
connection in the pool. If a pooled connection is available, it
returns ...
Python: fastest way to create a list of n lists
...al and can be extended in a variety of situations, after having read a dataset.
Method 1: Conceptual
X2=[]
X1=[1,2,3]
X2.append(X1)
X3=[4,5,6]
X2.append(X3)
X2 thus has [[1,2,3],[4,5,6]] ie a list of lists.
Method 2 : Formal and extensible
Another elegant way to store a list as a list of lists...
C# member variable initialization; best practice?
...eld initializers cannot) - i.e.
[DefaultValue("")]
public string Foo {get;set;}
public Bar() { // ctor
Foo = "";
}
Other than that, I tend to prefer the field initializer syntax; I find it keeps things localized - i.e.
private readonly List<SomeClass> items = new List<SomeClass>();...
Browse the files created on a device by the iOS application I'm developing, on workstation?
...es, select the device, select the app name under Installed Apps, click the settings gearbox, then select Download container.... In finder, double finger tap the package and select Show package contents.
share
|
...
What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?
...ommits reachable from r2 but exclude the ones reachable from r1.
This set operation appears so often
that there is a shorthand for it. When
you have two commits r1 and r2 (named according to the syntax explained in
SPECIFYING REVISIONS above), you can
ask for commits that are reachable
...
How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
...── js
├── 1.js
├── 2.js
└── 3.js
Then set up your concat task
concat: {
js: {
src: 'src/js/*.js',
dest: 'dest/js/concat.js'
},
css: {
src: 'src/css/*.css',
dest: 'dest/css/concat.css'
}
},
Your min task
min: {
js: {
src: 'dest/js/...
How to pass the values from one activity to previous activity
...ntered text value in its extras bundle. To pass it back to the parent call setResult before calling finish to close the secondary Activity.
Intent resultIntent = new Intent();
resultIntent.putExtra(PUBLIC_STATIC_STRING_IDENTIFIER, enteredTextValue);
setResult(Activity.RESULT_OK, resultIntent);
fini...
How does git compute file hashes?
... sometimes git does the replacement above, depending on one's eol/autocrlf settings.
– user420667
May 26 '16 at 17:38
5
...
Curly braces in string in PHP
...ent[0]->{0}. Since property "0" cannot exist, this will trigger __get/__set method. This in essence allows you an alternative to ArrayAccess for index access, e.g. 3v4l.org/1F254.
– Gajus
Apr 29 '14 at 10:59
...
How can I get WebStorm to recognize Jasmine methods?
...use predefined JS library stubs in Webstorm/PHPStorm/Idea
Open File > Settings...
Select Languages & Frameworks > JavaScript > Libraries
Click on Download...
Swich to TypeScript community stubs
Find karma-jasmine (originally under the name jasmine) (If this does not work, try jas...