大约有 40,000 项符合查询结果（耗时：0.0535秒） [XML]
How can I remove the extension of a filename in a shell script?
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You should be using the command substitution syntax $(command) when you want to execute a command in script/command.
So your line would be
name=$(echo "$filename" | cut -f 1 -d '.')
Code explanation:
echo get the value of the variable $filena...
android.widget.Switch - on/off event listener?
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Switch inherits CompoundButton's attributes, so I would recommend the OnCheckedChangeListener
mySwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boo...
Insert new column into table in sqlite?
...ing:
ALTER TABLE {tableName} ADD COLUMN COLNew {type};
Second, and more complicatedly, but would actually put the column where you want it, would be to rename the table:
ALTER TABLE {tableName} RENAME TO TempOldTable;
Then create the new table with the missing column:
CREATE TABLE {tableName}...
What are the alternatives now that the Google web search API has been deprecated? [closed]
...en deprecated and replaced with Custom Search API (see http://code.google.com/apis/websearch/ ).
10 Answers
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Multiple GitHub Accounts & SSH Config
...and one for work, my ~/.ssh/config was roughly as follows:
Host me.github.com
HostName github.com
PreferredAuthentications publickey
IdentityFile ~/.ssh/me_rsa
Host work.github.com
HostName github.com
PreferredAuthentications publickey
IdentityFile ~/.ssh/work_rsa
My work...
SASS - use variables across multiple files
...t though. there is a really good article that details why here: alistapart.com/article/getting-started-with-sass
– Joel
Jul 11 '13 at 17:08
7
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How should the ViewModel close the form?
... edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Jul 25 '10 at 14:06
Joe WhiteJoe White
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How do I check if a file exists in Java?
...ng an NFS file system there is an issue with stale file handles: bugs.java.com/bugdatabase/view_bug.do?bug_id=5003595 It's kind of obscure, but has been the cause of some frustrating bugs in production code before.
– CAW
Mar 17 '17 at 22:17
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What is the exact meaning of IFS=$'\n'?
... won't work in a POSIX shell (/bin/sh). To get the same effect in a POSIX-compliant manner, you can type IFS=', then hit return to type an actual newline character, then type the closing '
– Richard Hansen
Jun 21 '11 at 16:52
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MySQL “incorrect string value” error when save unicode string in Django
...rs and store them in MySQL. Just changing mysql charset to utf8mb4 via SQL commands is not enough!
– Xerion
Aug 6 '15 at 4:24
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