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How are software license keys generated?
...t a matter of making up an algorithm for which CD keys (which could be any string) are easy to generate and easy to verify, but the ratio of valid-CD-keys to invalid-CD-keys is so small that randomly guessing CD keys is unlikely to get you a valid one.
INCORRECT WAY TO DO IT:
Starcraft and Half-li...
No submodule mapping found in .gitmodule for a path that's not a submodule
...
in the file .gitmodules, I replaced string
"path = thirdsrc\boost"
with
"path = thirdsrc/boost",
and it solved! - -
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Vertical line using XML drawable
...u can use a negative margin in your layout xml to get rid of the undesired extra space.
Such as:
<ImageView
android:layout_width="35dp"
android:layout_height="35dp"
android:layout_marginLeft="-15dp"
android:layout_marginRight="-15dp"
android:src="@drawable/dashed_vertical_lin...
How do I pull from a Git repository through an HTTP proxy?
... When I add this environment variable, msysgit doesn't print out anything extra. :(
– Andrew Arnott
Mar 29 '09 at 23:22
...
Java volatile reference vs. AtomicReference
...ick with a volatile field, simplest solution and lowest overhead.
Need the extra functionality? If this is a performance(speed/memory overhead) sensitive part of your code make a choice between AtomicReference/AtomicFieldUpdater/Unsafe where you tend to pay in readability and risk for your performan...
What is JavaScript garbage collection?
...called a "scavenger". A scavenger
may refer to a number, an object, a
string, whatever. We maintain a list
of scavengers -- variables are moved
on to the scav list when they come
into scope and off the scav list when
they go out of scope.
Every now and then the garbage
collector ru...
Show constraints on tables command
...PRECISION, cols.NUMERIC_SCALE,
cols.COLUMN_TYPE, cols.COLUMN_KEY, cols.EXTRA,
cols.COLUMN_COMMENT, refs.REFERENCED_TABLE_NAME, refs.REFERENCED_COLUMN_NAME,
cRefs.UPDATE_RULE, cRefs.DELETE_RULE,
links.TABLE_NAME, links.COLUMN_NAME,
cLinks.UPDATE_RULE, cLinks.DELETE_RULE
FROM INFOR...
Hibernate throws MultipleBagFetchException - cannot simultaneously fetch multiple bags
...ns with one query. So when you query for the parent entity, it will need 2 extra queries per result, which is normally something you don't want.
– Bozho
Jun 18 '12 at 11:19
8
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Disabling swap files creation in vim
...ing which is a large part of vim use for a lot of people, it seems like an extra bookeeping job better left out. I personally prefer for all jobs to just have no swaps or other auto-backups. If I really need to develop something, I'd rather have a more high level framework to protect me, preferably ...
What is a good reason to use SQL views?
... T_NEW) but one that has data for both active and inactive users, with one extra column active.
If your system(s) have gazillion queries that do SELECT whatever FROM T_OLD WHERE whatever, you have two choices for the roll-out:
1) Cold Turkey - Change the DB, and at the same time, change, test and ...