size

Bootstrap: Fill whole container under navbar minus navbar height

大城市里の小女人 提交于 2019-12-04 03:18:50
On a page styled with Twitter Bootstrap and using the navbar I wanted to fill the whole container below the navigation bar with a Google Maps map. To accomplish that I have added the CSS following below. I define for the html and body elements the sizes to 100% so that this is used for the map's size definition. This solution, however, yields one problem: The map's height is now the same as the whole page height, which results in a scroll bar which I can scroll for the 40px the navigation bar adds. How can I set the size of the map to 100% - 40px of the navigation bar? #map { height: 100%;

What is the memory size of an ArrayList in Java

喜你入骨 提交于 2019-12-04 03:13:17
问题 I have an ArrayList<Obj> and I wish to know how much memory it is using. The Obj is variant so, it is not as easy as multiply the number of elements in the array per the size of an object. 回答1: You can use something like Runtime.getRuntime().totalMemory() and its counterpart Runtime.getRuntime().freeMemory() to get an educated guess, but that doesn't account for objects that are GC'ed between calls. 回答2: It's the capacity of the java.util.ArrayList multiplied by the reference size (4 bytes on

Android Spinner Size very large

我怕爱的太早我们不能终老 提交于 2019-12-04 02:55:32
I'm trying to get an ICS spinner like in my app, and playing around for hours, finally I'm using HoloEverywhere to get this, and it's working, but I have a little disign issue, is that the spinner is not wrapping its content as I set in the xml, and by default looks like this : Really I googled this for hours, and all I found is that how to resize spinner items and not the view itself, means that I want the spinner to be adjusted to the selected item size like this : Here is my XML: <RelativeLayout android:layout_width="match_parent" android:layout_height="40dp" android:orientation="horizontal

Check if the content of a DIV is empty in jQuery

三世轮回 提交于 2019-12-04 01:51:21
How do I use jQuery to check to see if the content of a <div> is empty? I tried this and is doesn't seem to be printing the correct values. ... var unframed_items = $("#unframed-items"); alert(unframed_items.html().length); ... <div id="unframed-items"> </div> ... If you mean really empty, use the empty-selector [docs] : alert( !!$("#unframed-items:empty").length ) or alert( $("#unframed-items").is(':empty') ) If you consider whitespace-only to be empty, then use the jQuery.trim() [docs] method: alert( !$.trim( $("#unframed-items").html() ) ); <div id="portfolio"><!--portfolio--> <div id=

How to find uncompressed size of ionic zip file

喜夏-厌秋 提交于 2019-12-04 01:46:51
问题 I have a zip file compressed using Ionic zip. Before extracting I need to verify the available disk space. But how do I find the uncompressed size before hand? Is there any header information in the zip file (by ionic) so that I can read it? 回答1: This should do the trick: static long totaluncompressedsize; static string info; . . . . // Option 1 foreach (ZipEntry e in zip) { long uncompressedsize = e.UncompressedSize; totaluncompressedsize += uncompressedsize; } // Or // Option 2 - will need

Calculating size of Google Firestore documents

久未见 提交于 2019-12-04 01:44:12
Firestore docs give details of how to manually calculate the stored size of a document, but there does not seem to be a function provided for this on any of document reference, snapshot, or metadata. Before I attempt to use my own calculation, does anyone know of an official or unofficial function for this? Here is my (completely untested) first cut for such a function from my interpretation of the docs at https://firebase.google.com/docs/firestore/storage-size function calcFirestoreDocSize(collectionName, docId, docObject) { let docNameSize = encodedLength(collectionName) + 1 + 16 let

Recursive Class Instance Size in Delphi

跟風遠走 提交于 2019-12-04 01:40:53
问题 Is there a way to get the actual size of a class instance in Delphi? I know about the InstanceSize method of the TObject class but that method does not recursively invokes itself for object members. For example, let's say we have two classes: type MyClass1 = class private myVar1 : integer; myVar2 : integer; end; type MyClass2 = class private myOtherVar1 : integer; myOtherVar2 : MyClass1; end; for this segment of code, MyClass1 will be 12 bytes length (4 bytes for each integer plus 4 for the

What is the historical context for long and int often being the same size?

被刻印的时光 ゝ 提交于 2019-12-04 01:28:31
问题 According to numerous answers here, long and int are both 32 bits in size on common platforms in C and C++ (Windows & Linux, 32 & 64 bit.) (I'm aware that there is no standard, but in practice, these are the observed sizes.) So my question is, how did this come about? Why do we have two types that are the same size? I previously always assumed long would be 64 bits most of the time, and int 32. I'm not saying it "should" be one way or the other, I'm just curious as to how we got here. 回答1:

TCL max size of array

与世无争的帅哥 提交于 2019-12-04 01:27:01
问题 I'm working on an engineering application, and the interface is written in TCL TK. Everything went fine until I need to use a (extremely) large array. 370.000.000 of elements, each element from 2 to 10 characters length (linear grown). My question is, ¿where is the size limit for TCL arrays? I've been reading and investigating and the only I've found is "2GB" of string data, but I dont know if it's reliable because it doesn't explain the reason. I did an experiment: set lista [list ] catch {

第六次作业

烈酒焚心 提交于 2019-12-04 01:22:14
package com.example.zuoye6; import androidx.appcompat.app.AppCompatActivity; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Adapter; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.SimpleAdapter; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; public class MainActivity extends Activity{ private ListView listView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main