大约有 44,000 项符合查询结果（耗时：0.0723秒） [XML]
Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./
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/[$-/:-?{-~!"^_`\[\]]/
There are three ranges. '$' to '/', ':' to '?', and '{' to '~'. the last string of characters can't be represented more simply with a range: !"^_`[].
Use an ACSII table to find ranges for character classes.
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Looping over arrays, printing both index and value
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The use of [@] and double quotes means it's not a "space separated list of words". You get the list of actual array keys, even if the individual keys contain whitespace.
– glenn jackman
Aug 21 '16 at 1...
How can I export the schema of a database in PostgreSQL?
...access to a Windows machine but I'm pretty sure from memory that's the command. See if the help works for you too.
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Remove multiple spaces and new lines inside of String
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The simplest and the most elegant solution. Thanks. But there's one thing, this method is defined in Rails, so it'll work only in Rails applications, luckily that's my case.
– Kreeki
Aug 18 '11 at 12...
What's the best way to send a signal to all members of a process group?
...se if the tree is the result of forking from a server start or a shell command line.) You can discover process groups using GNU ps as follows:
ps x -o "%p %r %y %x %c "
If it is a process group you want to kill, just use the kill(1) command but instead of giving it a process number, give it th...
Evaluating string “3*(4+2)” yield int 18 [duplicate]
...NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.:
14 Answers
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How can I change the EditText text without triggering the Text Watcher?
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You could unregister the watcher, and then re-register it.
Alternatively, you could set a flag so that your watcher knows when you have just changed the text yourself (and therefore should ignore it).
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App Inventor 2 项目合并工具 AIMerge · App Inventor 2 中文网
...ource Code
Merging into one Project
Launch the App Inventor Merger
Find and Load Both Projects
Merge the Projects
Upload Final Project to App Inventor
Extras
Universal Assets and Databases
Assets
Databases
Merging More Than Two Projects
Renaming Second Project’s “Screen1”
Appendix
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Is there a way to 'uniq' by column?
...eed the ,1 in -k1,1? why not just -k1?
– hello_there_andy
Nov 24 '14 at 20:10
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@hello_there_and...
Alternative to google finance api [closed]
...ahoo.com/d/quotes.csv?s=AAPL+GOOG+MSFT&f=sb2b3jk
(This will generate and save a CSV for AAPL, GOOG, and MSFT)
Note that you must append the format to the query string (f=..). For an overview of all of the formats see this page.
For more examples, visit this page.
For XML and JSON-based data...