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How can I remove 3 characters at the end of a string in php?
...
Just do:
echo substr($string, 0, -3);
You don't need to use a strlen call, since, as noted in the substr docs:
If length is given and is negative, then that many characters will be omitted from the end of string
...
How can I programmatically generate keypress events in C#?
... Keyboard.PrimaryDevice,
PresentationSource.FromVisual(target),
0,
key)
{ RoutedEvent=routedEvent }
);
This solution doesn't rely on native calls or Windows internals and should be much more reliable than the others. It also allows you to simulate a keypress on a specific element....
How can I use a file in a command and redirect output to the same file without truncating it?
...can use a temporary file though.
#!/bin/sh
tmpfile=$(mktemp)
grep -v 'seg[0-9]\{1,\}\.[0-9]\{1\}' file_name > ${tmpfile}
cat ${tmpfile} > file_name
rm -f ${tmpfile}
like that, consider using mktemp to create the tmpfile but note that it's not POSIX.
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How to check if a database exists in SQL Server?
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edited Jun 8 '12 at 13:50
SteveC
12.8k2020 gold badges8282 silver badges143143 bronze badges
answered ...
How to use ADB to send touch events to device using sendevent command?
...
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edited Oct 20 '15 at 15:25
Yaron
1,05111 gold badge1414 silver badges2929 bronze badges
an...
Converting an integer to a string in PHP
...
800
You can use the strval() function to convert a number to a string.
From a maintenance perspecti...
Regular Expression for alphanumeric and underscores
...ng that contains only those characters (or an empty string), try
"^[a-zA-Z0-9_]*$"
This works for .NET regular expressions, and probably a lot of other languages as well.
Breaking it down:
^ : start of string
[ : beginning of character group
a-z : any lowercase letter
A-Z : any uppercase letter...
How do I add an icon to a mingw-gcc compiled executable?
...ile and follow the above mentioned steps.
1 VERSIONINFO
FILEVERSION 1,0,0,0
PRODUCTVERSION 1,0,0,0
BEGIN
BLOCK "StringFileInfo"
BEGIN
BLOCK "080904E4"
BEGIN
VALUE "CompanyName", "My Company Name"
VALUE "FileDescription", "My excellent application"
VALUE "FileVersi...
Display open transactions in MySQL
...a connection breaks
From the MySQL docs: http://dev.mysql.com/doc/refman/5.0/en/mysql-tips.html
4.5.1.6.3. Disabling mysql Auto-Reconnect
If the mysql client loses its connection to the server while sending a statement, it immediately and automatically tries to reconnect once to the server ...
Display number with leading zeros
...
1150
In Python 2 (and Python 3) you can do:
print "%02d" % (1,)
Basically % is like printf or spri...