大约有 32,294 项符合查询结果（耗时：0.0531秒） [XML]
How to read a single char from the console in Java (as the user types it)?
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What you want to do is put the console into "raw" mode (line editing bypassed and no enter key required) as opposed to "cooked" mode (line editing with enter key required.) On UNIX systems, the 'stty' command can change mode...
Prompt for user input in PowerShell
... a simple option for getting string input from a user.
$name = Read-Host 'What is your username?'
To hide passwords you can use:
$pass = Read-Host 'What is your password?' -AsSecureString
To convert the password to plain text:
[Runtime.InteropServices.Marshal]::PtrToStringAuto(
[Runtime.I...
How to architect an Ember.js application
...htly-more-than-zero in a couple of minutes. When done, you should feel somewhat confident that ember.js actually works and hopefully will be interested enough to learn more.
WARNING: Don't just try this guide then think ember-sucks cause "I could write that quickstart-guide better in jQuery or For...
Twitter oAuth callbackUrl - localhost development
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Use http://smackaho.st
What it does is a simple DNS association to 127.0.0.1 which allows you to bypass the filters on localhost or 127.0.0.1 :
smackaho.st. 28800 IN A 127.0.0.1
So if you click on the link, it will display you what...
Is there a way to collapse all code blocks in Eclipse?
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Just a note, it seems like this shortcut (no matter what you bind it to) doesn't work for PyDev. If someone reads this and knows the opposite to be true, please post otherwise!
– driftcatcher
Aug 23 '12 at 18:04
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jQuery multiple events to trigger the same function
... after editing; keydown, change, and blur might all fire).
It sounds like what you actually want is something like this:
$('#ValidatedInput').keydown(function(evt) {
// If enter is pressed
if (evt.keyCode === 13) {
evt.preventDefault();
// If changes have been made to the input's valu...
Left padding a String with Zeros [duplicate]
... Just as a reminder... String is immutable (see String is immutable. What exactly is the meaning?), so StringUtils.leftPad(variable, 10, "0"); won't change the variable's value. You'd need to assign the result to it, like this: variable = StringUtils.leftPad(variable, 10, "0");.
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Java - get the current class name?
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But what if the enclosing class is also an anonymous inner class? Don't you have to recursively get the enclosing class until it returns null, and use the last non-null class you got?
– Garret Wilson
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Remove leading zeros from a number in Javascript [duplicate]
What is the simplest and cross-browser compatible way to remove leading zeros from a number in Javascript ?
3 Answers
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How do I find numeric columns in Pandas?
... 'C': ['foo','bar','baz'],
'D': ['who','what','when']})
df
# A B C D
# 0 7 0.704021 foo who
# 1 8 0.264025 bar what
# 2 9 0.230671 baz when
df_numerics_only = df.select_dtypes(include=np.number)
df_numerics_only
# A B
# 0 ...