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Replace console output in Python
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An easy solution is just writing "\r" before the string and not adding a newline; if the string never gets shorter this is sufficient...
sys.stdout.write("\rDoing thing %i" % i)
sys.stdout.flush()
Slightly more sophisticated is a progress bar... this is something I am us...
语音识别 报错问题：No Activity found to handle intent { act=android.sp...
语音识别仿真报错，安装到手机端也报错https://www.fun123.cn/reference/info/#AppEntry
请参考一下这个教程，你上面报错的原因是手机上没有安装语音识别引擎，这里推荐“讯飞语音+”，下载地址：https://www.pgyer.com/yyyq
How do you reverse a string in place in JavaScript?
How do you reverse a string in place (or in-place) in JavaScript when it is passed to a function with a return statement, without using built-in functions ( .reverse() , .charAt() etc.)?
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How to install latest version of git on CentOS 7.x/6.x
...the flowing command:
yum --disablerepo=base,updates --enablerepo=rpmforge-extras install git
If you already have git installed then use:
yum --disablerepo=base,updates --enablerepo=rpmforge-extras update git
Related question(s):
Facing issues while upgrading git to latest version on CentOS 6...
Find and replace - Add carriage return OR Newline
In the case of following string to be parsed.
5 Answers
5
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Postgresql - change the size of a varchar column to lower length
... other databases, is smart enough to only use just enough space to fit the string (even using compression for longer strings), so even if your column is declared as VARCHAR(255) - if you store 40-character strings in the column, the space usage will be 40 bytes + 1 byte of overhead.
The storage ...
How do I restrict a float value to only two places after the decimal point in C?
... just want to round the number for output purposes, then the "%.2f" format string is indeed the correct answer. However, if you actually want to round the floating point value for further computation, something like the following works:
#include <math.h>
float val = 37.777779;
float rounde...
How to rename items in values() in Django?
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It's a bit hacky, but you could use the extra method:
MyModel.objects.extra(
select={
'renamed_value': 'cryptic_value_name'
}
).values(
'renamed_value'
)
This basically does SELECT cryptic_value_name AS renamed_value in the SQL.
Another option, if you al...
How to subtract X days from a date using Java calendar?
...ck out DateTimeFormat. It will allow you to convert DateTime instances to strings using arbitrary formats. It's very similar to the java.text.DateFormat class.
– Mike Deck
Feb 28 '12 at 15:40
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Does Ruby have a string.startswith(“abc”) built in method?
Does Ruby have a some_string.starts_with("abc") method that's built in?
4 Answers
4
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