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Best way to initialize (empty) array in PHP
...ferent ways, with the literal grammar not being dogged by the overhead of calling a function.
PHP, on the other hand, has language constructs that may look like functions but aren't treated as such. Even with PHP 5.4, which supports [] as an alternative, there is no difference in overhead because...
How can I capture the result of var_dump to a string?
... most likely have a negative effect on performance here. It also can get really messy if you need to look at multiple variables during the execution of a complex script.
– selfawaresoup
Dec 27 '09 at 16:45
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How can I get `find` to ignore .svn directories?
...you look at ack ? It's a source-code aware find, and as such will automatically ignore many file types, including source code repository info such as the above.
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What type of hash does WordPress use?
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I don't know if this will help at all, but WP will still take the straight MD5 the first time you used the Password, then it will "salt" it. SO, if you have access to the DB, using MyPHPAdmin you can change the PW to "MyPass", select MD5 in the "Function" dro...
overlay two images in android to set an imageview
...XML then simply set the image, or you can configure a LayerDrawable dynamically in code.
Solution #1 (via XML):
Create a new Drawable XML file, let's call it layer.xml:
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/t" />
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Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
...ce them otherwise? If so, there's your answer.
Do I have to use EJBs? Really? Avoid them if at all possible--they are really only needed for very large, enterprise-class systems. Remember that they are merely tools, and big ones at that (can anyone say "Golden Sledgehammer"?). They are heavily...
What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
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Are you sure that is all there is to it? I often find that the page loading hangs on a shebang URL on facebook (even after many reloads), but if you manually remove the #!, it works. Not to mention you often get "1.5 URLs" (i.e. the old URL remai...
Read a zipped file as a pandas DataFrame
... you want to read a zipped or a tar.gz file into pandas dataframe, the read_csv methods includes this particular implementation.
df = pd.read_csv('filename.zip')
Or the long form:
df = pd.read_csv('filename.zip', compression='zip', header=0, sep=',', quotechar='"')
Description of the compr...
How to Implement Custom Table View Section Headers and Footers with Storyboard
...ntifier instead of dequeueReusableCellWithIdentifier.
So in viewDidLoad, call either registerNib:forHeaderFooterViewReuseIdentifier: or registerClass:forHeaderFooterViewReuseIdentifier:. Then in viewForHeaderInSection, call tableView:dequeueReusableHeaderFooterViewWithIdentifier:. You do not use a ...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...nal web application at work. In IE10 the requests work fine, but in Chrome all the AJAX requests (which there are many) are sent using OPTIONS instead of whatever defined method I give it. Technically my requests are "cross domain." The site is served on localhost:6120 and the service I'm making AJA...