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Replace a string in shell script using a variable
...x> echo X123456789X | sed "s/123456789/${replace}/"
X987654321X
pax> _
Just be careful to ensure that ${replace} doesn't have any characters of significance to sed (like / for instance) since it will cause confusion unless escaped. But if, as you say, you're replacing one number with another...
How to check if the URL contains a given string?
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I have a long URL like this, preview.tbwabox.co.nz/_v005/index.html#buying-a-car and I want to check if the string has "buying-a-car but the script" isn't working?
– Vennsoh
Jul 9 '15 at 2:16
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Max parallel http connections in a browser?
...e got few registry settings (MaxConnectionsPerServer and MaxConnectionsPer1_0Server) which control the max connections per server as mentioned in this post : stackoverflow.com/questions/2960056/…
– RBT
Jun 19 '16 at 2:53
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SVN needs-lock 设置强制只读属性(官方资料) - 更多技术 - 清泛网 - 专注...
...jar.$ \.odt.$ \.pdf.$ \.ppt.$ \.swf.$ \.vsd.$ \.xls.$ \.zip.[ DISCUZ_CODE_0 ]quot; %TEMP%\tempfile%2`) do (
%SVNLOOK% propget -t %2 %1 svn:needs-lock %%i 1> nul 2> nul
if ERRORLEVEL 1 (
echo commit denied, binary files must have property svn:needs-lock >&2
type %TEMP%\tempf...
How do I find and view a TFS changeset by comment text?
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With the Power Tools installed:
tf history $/ -r | ? { $_.comment -like '*findme*' }
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What's the difference if I put css file inside or ?
... stylesheet should also be linked? Either link in the header of each includ_ing_ page, or link in the body of the includ_ed_ page. The former conforms to "css in header", while the latter conforms to "write it once".
– OutstandingBill
Oct 29 '15 at 22:56
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iOS Detect 3G or WiFi
...TelephonyNetworkInfo *netinfo = [[CTTelephonyNetworkInfo alloc] init];
_carrier = [[netinfo subscriberCellularProvider] carrierName];
if ([netinfo.currentRadioAccessTechnology isEqualToString:CTRadioAccessTechnologyGPRS]) {
NSLog(@"2G");
} else if ([netinfo.currentRadioAccessTec...
Extract a dplyr tbl column as a vector
...ge:base':
#>
#> intersect, setdiff, setequal, union
db <- src_sqlite(tempfile(), create = TRUE)
iris2 <- copy_to(db, iris)
vec <- pull(iris2, Species)
head(vec)
#> [1] "setosa" "setosa" "setosa" "setosa" "setosa" "setosa"
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Changing image size in Markdown
... to resize the image. Do not forget the space before the =.

You can skip the HEIGHT

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How to create PDF files in Python [closed]
...th the style and markup you want for you pdf document
Executing pdfkit.from_string(...) method by passing the rendered html as parameter
This way you get a pdf document with styling and images supported.
You can install it as follows :
using pip
pip install pdfkit
You will also need to instal...
