大约有 10,000 项符合查询结果（耗时：0.0233秒） [XML]
How to run `rails generate scaffold` when the model already exists?
...ld for your model, see scaffold_controller. Just for clarity, here's the description on that:
Stubs out a scaffolded controller and its views. Pass the model name,
either CamelCased or under_scored, and a list of views as arguments.
The controller name is retrieved as a pluralized ve...
Simple regular expression for a decimal with a precision of 2
... as [0-9] as I think it's easier to read.
Also, here is the simple Python script I used to check it:
import re
deci_num_checker = re.compile(r"""^[0-9]+(\.[0-9]{1,2})?$""")
valid = ["123.12", "2", "56754", "92929292929292.12", "0.21", "3.1"]
invalid = ["12.1232", "2.23332", "e666.76"]
assert len...
What should I set JAVA_HOME environment variable on macOS X 10.6?
Many Java applications that use shell scripts to configure their environment use the JAVA_HOME environment variable to start the correct version of Java, locate JRE JARs, and so on.
...
How do I remove  from the beginning of a file?
... sequence of characters ($EF $BB $BF for UTF-8), so just remove them using scripts or configure the editor so it's not added.
From Removing BOM from UTF-8:
#!/usr/bin/perl
@file=<>;
$file[0] =~ s/^\xEF\xBB\xBF//;
print(@file);
I am sure it translates to PHP easily.
...
Get the last inserted row ID (with SQL statement) [duplicate]
...
@marc_s - happy to be shown where my error is. Here is a script that recreates the scenario - wetransfer.com/downloads/…
– youcantryreachingme
Mar 26 at 5:28
1
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nodejs how to read keystrokes from stdin
Is it possible to listen for incoming keystrokes in a running nodejs script?
If I use process.openStdin() and listen to its 'data' event then the input is buffered until the next newline, like so:
...
How to know/change current directory in Python shell?
... the environment variable and instead appending to sys.path inside of your script.
– Steven Rumbalski
Nov 23 '11 at 20:31
3
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Only get hash value using md5sum (without filename)
... @Andy: If you try this line of code (in the terminal, or in a script): echo>file; for i in file; do md5=($(md5sum file)); echo $md5; done - It should output 68b329da9893e34099c7d8ad5cb9c940
– Peter.O
Jul 29 '15 at 8:35
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OnItemCLickListener not working in listview
...lity="blocksDescendants">
<RadioButton
android:id="@+id/script_name_radio_btn"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textStyle="bold"
android:textColor="#000"
android:padding="5dp"
android:cl...
annotation to make a private method public only for test classes [duplicate]
... My Kaspersky immediately triggered when visiting this page. The offending script is xpjxpj8.js I neither have the expertise nor the time to confirm or deny that. Please proceed with caution.
– JFBM
Jun 16 at 11:13
...