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What is the leading LINQ for JavaScript library? [closed]
...filter, First and FirstOrDefault become [0].
Almost no library I know of (including I think the ones you linked to) bother to make the implementation lazy as in .NET Linq, they just evaluate immediately using arrays.
For a very nice, complete set of functional list operations, try: http://osteele....
Fastest way to check if string contains only digits
... @Keith IsDigit returns true for about three-hundred more characters. Including full width decimal digits 0123... (common in China and Japan) and digits from other cultures e.g. ০১২௧௨௩௪꘤꘥꘦꘧꘨ and plenty more.
– CodesInChaos
S...
How to execute mongo commands through shell scripts?
...n official documentation page about this as well.
Examples from that page include:
mongo server:27017/dbname --quiet my_commands.js
mongo test --eval "printjson(db.getCollectionNames())"
share
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How do I detect that an iOS app is running on a jailbroken phone?
...gned correctly, unbroken phones cannot run code with a bad signature.
So, include a separate executable in the app with a bad signature. It could just be a 3-line program that has main() and a return value. Compile the executable without code signing (turn it off in Project Settings->Build) and ...
Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets
...d the text. To accomplish the swap, simply use a negative spacing but also include the width of the text and the image. This will require frames to be known and layout performed already.
[self.view layoutIfNeeded];
CGFloat flippedSpacing = -(desiredSpacing + button.currentImage.size.width + button....
What is an xs:NCName type and when should it be used?
...
To cover those non-ascii cases, it should include \p{L}+ as part of the character set
– Kenston Choi
Jul 22 '13 at 3:26
...
Vibrate and Sound defaults on notification
...
For the vibrate one, be sure to include the <uses-permission android:name="android.permission.VIBRATE" /> in your AndroidManifest.xml
– Aaron Esau
Dec 20 '16 at 23:23
...
Can an enum class be converted to the underlying type?
...use std::underlying_type to know the underlying type, and then use cast:
#include <type_traits> //for std::underlying_type
typedef std::underlying_type<my_fields>::type utype;
utype a = static_cast<utype>(my_fields::field);
With this, you don't have to assume the underlying ty...
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...atabases that has been a standard part of Oracle for a long time and it is included with Oracle XE.
When connecting to an Oracle database using JDBC, you don't connect to the database directly. Instead, you connect to a TNS listener, which then connects you to the database. The error ORA-12505 me...
List directory in Go
...le that lists the name of everything in the current directory (folders are included but not specially marked - you can check if an item is a folder by using the IsDir() method):
package main
import (
"fmt"
"io/ioutil"
"log"
)
func main() {
files, err := ioutil.ReadDir("./")
i...
