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Is the sizeof(some pointer) always equal to four?
...rily true. For example, if you're compiling on a 64-bit machine where the word size is 64-bits, then sizeof(char*) will probably be 1. Not to mention the more exotic pointer types in even common machines, as Eclipse and dmityugov write.
– Kaz Dragon
May 31 '1...
How do I write a for loop in bash
...
The bash for consists on a variable (the iterator) and a list of words where the iterator will, well, iterate.
So, if you have a limited list of words, just put them in the following syntax:
for w in word1 word2 word3
do
doSomething($w)
done
Probably you want to iterate along some nu...
How to concatenate string variables in Bash
...
Can I use this syntax with the export keyword? e.g. export A+="Z" or maybe the A variable only needs to be exported once?
– levesque
Mar 20 '14 at 17:13
...
How do you implement a “Did you mean”? [duplicate]
...n your website. How can you implement the "Did you mean: <spell_checked_word> " like Google does in some search queries ?
...
驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网 - ...
...动进行更大程度的控制。
为什么是 OOM Killer？
主要发行版内核设置/proc/sys/vm/overcommit_memory的默认值 为零，这意味着进程可以请求比系统中当前可用的内存更多的内存。这是基于试探法完成的，即分配的内存不会立即使用，并...
驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网 - ...
...动进行更大程度的控制。
为什么是 OOM Killer？
主要发行版内核设置/proc/sys/vm/overcommit_memory的默认值 为零，这意味着进程可以请求比系统中当前可用的内存更多的内存。这是基于试探法完成的，即分配的内存不会立即使用，并...
Simple explanation of MapReduce?
...a series of parameters that give them the ranking of a page for a given keyword?
– Lorenzo
Apr 17 '09 at 8:52
@lbologn...
How to create a custom exception type in Java? [duplicate]
...stom exception class that extends the Exception class, for example:
class WordContainsException extends Exception
{
// Parameterless Constructor
public WordContainsException() {}
// Constructor that accepts a message
public WordContainsException(String message)
{
...
Vim multiline editing like in sublimetext?
...other ideas:
Using only visual-block mode.
Put the cursor on the second word:
asd |a|sd asd asd asd;
asd asd asd asd asd;
asd asd asd asd asd;
asd asd asd asd asd;
asd asd asd asd asd;
asd asd asd asd asd;
asd asd asd asd asd;
Hit <C-v> to enter visual-block mode and expand your selection...
Why are dashes preferred for CSS selectors / HTML attributes?
... However, as a personal preference, I favor being able to tab between each word in a CSS file and would find it annoying if they were separated with underscore and there were no stops.
Also, using hyphens allows you to take advantage of the |= attribute selector, which selects any element containin...