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How does the bitwise complement operator (~ tilde) work?
... and Two's Complement. Read about them here. en.wikipedia.org/wiki/Ones%27_complement en.wikipedia.org/wiki/Two%27s_complement
– Sai
Dec 21 '14 at 3:40
1
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Can I store images in MySQL [duplicate]
...Ex:
CREATE TABLE 'test'.'pic' (
'idpic' INTEGER UNSIGNED NOT NULL AUTO_INCREMENT,
'caption' VARCHAR(45) NOT NULL,
'img' LONGBLOB NOT NULL,
PRIMARY KEY ('idpic')
)
As others have said, its a bad practice but it can be done. Not sure if this code would scale well, though.
...
How can I trigger a JavaScript event click
...e: Add an ID to the element to uniquely select it:
<a href="#" target="_blank" id="my-link" onclick="javascript:Test('Test');">Google Chrome</a>
and call the .click() method in your JavaScript code via a for loop:
var link = document.getElementById('my-link');
for(var i = 0; i < 5...
Array initializing in Scala
...ction, you can write
val list = List(1,2,3,4,5)
val arr = Array[Int](list:_*)
println(arr.mkString)
But usually the toArray method is more handy:
val list = List(1,2,3,4,5)
val arr = list.toArray
println(arr.mkString)
s...
Set default CRAN mirror permanent in R
...?Startup:
The
path of this file is taken from the value of the R_PROFILE
environment variable (after tilde expansion). If this variable is
unset, the default is R_HOME/etc/Rprofile.site, which is used if
it exists (which it does not in a 'factory-fresh' installation)...
how to use ng-option to set default value of select element
...arty</option>
<option ng-repeat="item in partyName" value="{{item._id}}" ng-selected="obj.partyname == item.partyname">{{item.partyname}}
</option>
</select>
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improve...
How to implement the Android ActionBar back button?
...wActivity" >
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="com.example.ParentActivity" />
</activity>
See here for further reading.
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Insert line after first match using sed
...
Alternatively, for portability, you can use perl instead:
perl -pi -e '$_ .= qq(CLIENTSCRIPT2="hello"\n) if /CLIENTSCRIPT=/' file
Or you could use ed or ex:
printf '%s\n' /CLIENTSCRIPT=/a 'CLIENTSCRIPT2="hello"' . w q | ex -s file
...
Error “gnu/stubs-32.h: No such file or directory” while compiling Nachos source code
...e files in a non standard location. You'll also need to do:
export LIBRARY_PATH=/usr/lib/$(gcc -print-multiarch)
export C_INCLUDE_PATH=/usr/include/$(gcc -print-multiarch)
export CPLUS_INCLUDE_PATH=/usr/include/$(gcc -print-multiarch)
somewhere before you build (say in your .bashrc).
If you ar...
How to create an HTML button that acts like a link?
...open the link in a new window/tab use: onclick="window.open('example.com','_blank');"
– bennos
Jun 16 '14 at 11:02
4
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