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String isNullOrEmpty in Java? [duplicate]
...str)
StringUtils.isBlank(str) or StringUtils.isNotBlank(str)
from Apache commons-lang.
The difference between empty and blank is : a string consisted of whitespaces only is blank but isn't empty.
I generally prefer using apache-commons if possible, instead of writing my own utility methods, alth...
Linux环境离线安装docker&docker-compose - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
Linux环境离线安装docker&docker-composelinux_docker_install一、docker离线安装1、下载docker离线安装包下载最新版本的 docker （或者选择自己想要安装的版本）到本地。1）docker下载地址：Docker版本下载 ||Docker-compose版本下载备注...
一、docker...
How to get rid of punctuation using NLTK tokenizer?
...ation marks as well as non alphabetic characters. Copied from their book.
http://www.nltk.org/book/ch01.html
import nltk
s = "I can't do this now, because I'm so tired. Please give me some time. @ sd 4 232"
words = nltk.word_tokenize(s)
words=[word.lower() for word in words if word.isalpha()...
Find mouse position relative to element
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A good write up of the difficulty of this problem can be found here: http://www.quirksmode.org/js/events_properties.html#position
Using the technique that is described there you can find the mouses position in the document. Then you just check to see if it is inside the bounding box of your e...
Install NPM into home directory with distribution nodejs package (Ubuntu)
...eep the system away from my operating system's files. Here's how I suggest compartmentalizing Nodejs packages:
Install Nodejs and NPM via the chris-lea PPA. Then I set up a package root in my homedir to hold the Node "global" packages:
$ NPM_PACKAGES="$HOME/.npm-packages"
$ mkdir -p "$NPM_PACKAGES...
How to delete an SMS from the inbox in Android programmatically?
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"As of Android 1.6, incoming SMS message broadcasts (android.provider.Telephony.SMS_RECEIVED) are delivered as an "ordered broadcast" — meaning that you can tell the system which components should receive the broadcast first."
This means that y...
Laravel blank white screen
... this really saved me here. I was getting a X-pad: avoid browser bug in my http response and I thought it was that
– Simon Bennett
Jan 16 '14 at 22:36
4
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How to get the Android device's primary e-mail address
...unt names on the device. Fortunately, for certain account types (including com.google), the account names are email addresses. Example snippet below.
Pattern emailPattern = Patterns.EMAIL_ADDRESS; // API level 8+
Account[] accounts = AccountManager.get(context).getAccounts();
for (Account account :...
How do I remove a folder from source control with TortoiseSVN?
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The easiest way is described here: http://tortoisesvn.net/unversion.html
That article is a bit wordy and some of the methods didn't work for me (like dragging the folder onto itself - Windows 7 wouldn't allow it)).
Here's what, in the article worked for me:
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Merging dictionaries in C#
... post vanished but yay Wayback machine: web.archive.org/web/20150311191313/http://diditwith.net/2006/10/…
– CAD bloke
Mar 18 '16 at 8:59
1
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