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Logger slf4j advantages of formatting with {} instead of string concatenation
...nd should be avoided if possible, as the {} allows delaying the toString() call and string construction to after it has been decided if the event needs capturing or not. By having the logger format a single string the code becomes cleaner in my opinion.
You can provide any number of arguments. Not...
Python argparse mutual exclusive group
...nd line wrapper for querying a mongodb. The collection instance can either call the method aggregate or the method find with to optional arguments query and fields, hence you see why the first two arguments are compatible and the last one isn't.
So now I run parser.parse_args() and check it's cont...
Can you center a Button in RelativeLayout?
...
Try
android:layout_centerHorizontal="true"
Exactly like this, it works for me:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android...
MySQL Update Inner Join tables query
I have no idea what the problem is. Using MySQL 5.0 I get a compile error when attempting to run the following MySQL update query:
...
TCPServer TCP服务器扩展：在Android设备上创建TCP服务器 · App Inventor 2 中文网
... TCPServer TCP服务器扩展：在Android设备上创建TCP服务器
TCPServer TCP服务器扩展
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主要功能
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截图
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Best way to use multiple SSH private keys on one client
...it usage within the same server). I tried simply stacking the keys in the id_rsa files to no avail.
20 Answers
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How to rename with prefix/suffix?
...This renames foo1 to foo01, and foo10 to foo010, etc.
I use a Perl script called rename, which I originally dug out from the first edition Camel book, circa 1992, and then extended, to rename files.
#!/bin/perl -w
#
# @(#)$Id: rename.pl,v 1.7 2008/02/16 07:53:08 jleffler Exp $
#
# Rename files usi...
Android - Dynamically Add Views into View
...in any details dynamically here
TextView textView = (TextView) v.findViewById(R.id.a_text_view);
textView.setText("your text");
// insert into main view
ViewGroup insertPoint = (ViewGroup) findViewById(R.id.insert_point);
insertPoint.addView(v, 0, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.F...
Show constraints on tables command
...er because it gives you the result in a format that you can use programmatically. Of course you will need to add a WHERE clause to narrow down the results
– Naveed Hasan
Jan 27 '14 at 10:30
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Javascript Equivalent to C# LINQ Select
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Yes, Array.map() or $.map() does the same thing.
//array.map:
var ids = this.fruits.map(function(v){
return v.Id;
});
//jQuery.map:
var ids2 = $.map(this.fruits, function (v){
return v.Id;
});
console.log(ids, ids2);
http://jsfiddle.net/NsCXJ/1/
Since array.map isn't supported ...