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Why number 9 in kill -9 command in unix? [closed]
...RTMAX-3 62) SIGRTMAX-2
63) SIGRTMAX-1 64) SIGRTMAX
As for the "significance" of 9... I would say there is probably none. According to The Linux Programming Interface(p 388):
Each signal is defined as a unique (small) integer, starting
sequentially from 1. These integers are defined in ...
What's the best three-way merge tool? [closed]
...
KDiff3
open source, cross platform
Same interface for Linux and Windows, very smart algorithm for solving conflicts, regular expressions for automatically solving conflicts, integrate with ClearCase, SVN, Git, MS Visual Studi...
How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
...
Use header to modify the HTTP header:
header('Content-Type: text/html; charset=utf-8');
Note to call this function before any output has been sent to the client. Otherwise the header has been sent too and you obviously can’t change it an...
Changing overflow icon in the action bar
...id:actionOverflowButtonStyle" (probably platform bug). So you have to use different styles in values-v11/styles.xml and values-v15/styles.xml.
– Mr-IDE
Dec 31 '12 at 7:24
...
外部打开使用指导 · App Inventor 2 中文网
...址) {
var 编号 = 外部打开1.GetQueryParameter(URL网址, "id")
if 编号 == "" {
标签1.Text = "链接缺少商品编号"
} else {
标签1.Text = join("商品编号：", 编号)
}
}
链接前缀参与安装包的入口配置，修改后应重新打包安装；伴侣不是自...
org.xml.sax.SAXParseException: Content is not allowed in prolog
..., which is allowed before the XML declaration can be treated as whitespace if the document is handed as a stream of characters to an XML parser rather than as a stream of bytes.
The same can happen if schema files (.xsd) are used to validate the xml file and one of the schema files has an UTF-8 BOM...
How to adjust layout when soft keyboard appears
...
Just add
android:windowSoftInputMode="adjustResize"
in your AndroidManifest.xml where you declare this particular activity and this will adjust the layout resize option.
some source code below for layout design
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="...
Set value for particular cell in pandas DataFrame using index
...urns a new dataframe with a copy of the data, so
df.xs('C')['x']=10
modifies this new dataframe only.
df['x'] returns a view of the df dataframe, so
df['x']['C'] = 10
modifies df itself.
Warning: It is sometimes difficult to predict if an operation returns a copy or a view. For this reason...
#import using angle brackets < > and quote marks “ ”
...h C/C++; the quoted form is for "local" includes of files (you need to specify the relative path from the current file, e.g. #include "headers/my_header.h"), while the angle-bracket form is for "global" includes -- those found somewhere on the include path passed to the compiler (e.g. #include <m...
How to convert a dictionary to query string in Python?
...
In python3, slightly different:
from urllib.parse import urlencode
urlencode({'pram1': 'foo', 'param2': 'bar'})
output: 'pram1=foo&param2=bar'
for python2 and python3 compatibility, try this:
try:
#python2
from urllib import urlen...